diff --git a/repo2docker/buildpacks/base.py b/repo2docker/buildpacks/base.py
index 46a407ad..091005f2 100644
--- a/repo2docker/buildpacks/base.py
+++ b/repo2docker/buildpacks/base.py
@@ -52,11 +52,6 @@ RUN groupadd \
         --uid ${NB_UID} \
         ${NB_USER}
 
-RUN wget --quiet -O - https://deb.nodesource.com/gpgkey/nodesource.gpg.key |  apt-key add - && \
-    DISTRO="bionic" && \
-    echo "deb https://deb.nodesource.com/node_14.x $DISTRO main" >> /etc/apt/sources.list.d/nodesource.list && \
-    echo "deb-src https://deb.nodesource.com/node_14.x $DISTRO main" >> /etc/apt/sources.list.d/nodesource.list
-
 # Base package installs are not super interesting to users, so hide their outputs
 # If install fails for some reason, errors will still be printed
 RUN apt-get -qq update && \
@@ -247,7 +242,6 @@ class BuildPack:
         return {
             # Utils!
             "less",
-            "nodejs",
             "unzip",
         }
 
@@ -622,32 +616,8 @@ class BaseImage(BuildPack):
         """Return env directives required for build"""
         return [
             ("APP_BASE", "/srv"),
-            ("NPM_DIR", "${APP_BASE}/npm"),
-            ("NPM_CONFIG_GLOBALCONFIG", "${NPM_DIR}/npmrc"),
         ]
 
-    def get_path(self):
-        return super().get_path() + ["${NPM_DIR}/bin"]
-
-    def get_build_scripts(self):
-        scripts = [
-            (
-                "root",
-                r"""
-                mkdir -p ${NPM_DIR} && \
-                chown -R ${NB_USER}:${NB_USER} ${NPM_DIR}
-                """,
-            ),
-            (
-                "${NB_USER}",
-                r"""
-                npm config --global set prefix ${NPM_DIR}
-                """,
-            ),
-        ]
-
-        return super().get_build_scripts() + scripts
-
     def get_env(self):
         """Return env directives to be set after build"""
         return []
diff --git a/repo2docker/buildpacks/conda/__init__.py b/repo2docker/buildpacks/conda/__init__.py
index b9107cd0..aa3cf25b 100644
--- a/repo2docker/buildpacks/conda/__init__.py
+++ b/repo2docker/buildpacks/conda/__init__.py
@@ -51,6 +51,9 @@ class CondaBuildPack(BaseImage):
         env = super().get_build_env() + [
             ("CONDA_DIR", "${APP_BASE}/conda"),
             ("NB_PYTHON_PREFIX", "${CONDA_DIR}/envs/notebook"),
+            # We install npm / node from conda-forge
+            ("NPM_DIR", "${APP_BASE}/npm"),
+            ("NPM_CONFIG_GLOBALCONFIG", "${NPM_DIR}/npmrc"),
             ("NB_ENVIRONMENT_FILE", self._nb_environment_file),
         ]
         if self._nb_requirements_file:
@@ -85,6 +88,8 @@ class CondaBuildPack(BaseImage):
         if self.py2:
             path.insert(0, "${KERNEL_PYTHON_PREFIX}/bin")
         path.insert(0, "${NB_PYTHON_PREFIX}/bin")
+        # This is at the end of $PATH, for backwards compat reasons
+        path.append("${NPM_DIR}/bin")
         return path
 
     def get_build_scripts(self):
@@ -113,7 +118,14 @@ class CondaBuildPack(BaseImage):
                 bash -c 'time /tmp/install-miniforge.bash' && \
                 rm -rf /tmp/install-miniforge.bash /tmp/env
                 """,
-            )
+            ),
+            (
+                "root",
+                r"""
+                mkdir -p ${NPM_DIR} && \
+                chown -R ${NB_USER}:${NB_USER} ${NPM_DIR}
+                """,
+            ),
         ]
 
     major_pythons = {"2": "2.7", "3": "3.7"}
diff --git a/repo2docker/buildpacks/conda/environment.lock b/repo2docker/buildpacks/conda/environment.lock
index b697f644..b288e278 100644
--- a/repo2docker/buildpacks/conda/environment.lock
+++ b/repo2docker/buildpacks/conda/environment.lock
@@ -1,21 +1,24 @@
 # AUTO GENERATED FROM environment.py-3.7.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:33:42 UTC
+# Frozen on 2021-11-19 16:46:33 UTC
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: e916b3483f9a6a858e8e836b294a35ef667c4f7b74b486b5d22621b93a0b9cbb
+# input_hash: 41b478a8978809c96135bfa6946052e3c54f665b76627c7aa4d5e2b64543dcfb
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.14.2-h7f98852_0.tar.bz2#036a4ef13793d1bd771090b49c4c2550
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.16.1-h7f98852_0.tar.bz2#41f9f702c158189327a80fbeb108b172
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.17.2-h7f98852_0.tar.bz2#a25871010e5104556045aa01850fbddf
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.18.1-h7f98852_0.tar.bz2#f26ef8098fab1f719c91eb760d63381a
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2#6618c9b191638993f2a818c6529e1b49
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-h516909a_1.tar.bz2#6f8720dff19e17ce5d48cfe7f3d2f0a3
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h9c3ff4c_4.tar.bz2#dea515312db9d4788e52c2edfc657635
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h7f98852_5.tar.bz2#d645c6d2ac96843a2bfaccd2d62b3ac3
+https://conda.anaconda.org/conda-forge/linux-64/libnsl-2.0.0-h7f98852_0.tar.bz2#39b1328babf85c7c3a61636d9cd50206
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.18-h36c2ea0_1.tar.bz2#c3788462a6fbddafdb413a9f9053e58d
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2#5b3e8d9da3e6a68a0e945c37eef6b472
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
 https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2#509f2a21c4a09214cd737a480dfd80c9
 https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2#de7b38a1542dbe6f41653a8ae71adc53
@@ -26,10 +29,11 @@ https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.3.4-h9c3ff4c_1.tar.bz2#
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz2#cf7190238072a41e9579e4476a6a60b8
 https://conda.anaconda.org/conda-forge/linux-64/libnghttp2-1.43.0-h812cca2_1.tar.bz2#d0a7846b7b3b8fb0d8b36904a53b8155
 https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.10.0-ha56f1ee_2.tar.bz2#6ab4eaa11ff01801cffca0a27489dc04
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2#e6e81754fbab03fcc3cde8aff8545467
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
-https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_2.tar.bz2#2094cf6b08a571cecf7fa332152e6461
-https://conda.anaconda.org/conda-forge/linux-64/python-3.7.10-hb7a2778_102_cpython.tar.bz2#67ddb126f309b101e57da5cfe8741959
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_3.tar.bz2#e29650992ae593bc05fc93722483e5c3
+https://conda.anaconda.org/conda-forge/linux-64/python-3.7.12-hb7a2778_100_cpython.tar.bz2#2d94b3e6a9fdaf83f6955d008c8011a7
 https://conda.anaconda.org/conda-forge/noarch/async_generator-1.10-py_0.tar.bz2#d56c596e61b1c4952acf0a9920856c12
 https://conda.anaconda.org/conda-forge/noarch/attrs-21.2.0-pyhd8ed1ab_0.tar.bz2#d2e1c7f388ac403df7079b411c37cc50
 https://conda.anaconda.org/conda-forge/noarch/backcall-0.2.0-pyh9f0ad1d_0.tar.bz2#6006a6d08a3fa99268a2681c7fb55213
@@ -38,76 +42,76 @@ https://conda.anaconda.org/conda-forge/noarch/blinker-1.4-py_1.tar.bz2#fa509a091
 https://conda.anaconda.org/conda-forge/noarch/charset-normalizer-2.0.0-pyhd8ed1ab_0.tar.bz2#4a57e24d5b759893615c05926b7b5fb9
 https://conda.anaconda.org/conda-forge/noarch/decorator-5.1.0-pyhd8ed1ab_0.tar.bz2#71b13ba2e0efcff45646f05d619534b0
 https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.7.1-pyhd8ed1ab_0.tar.bz2#961b3a227b437d82ad7054484cfa71b2
+https://conda.anaconda.org/conda-forge/noarch/entrypoints-0.3-pyhd8ed1ab_1003.tar.bz2#bbf9a201f6ce99a506f4955374d9a9f4
 https://conda.anaconda.org/conda-forge/noarch/idna-3.1-pyhd3deb0d_0.tar.bz2#9c9aea4b8391264477df484f798562d0
 https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/json5-0.9.5-pyh9f0ad1d_0.tar.bz2#10759827a94e6b14996e81fb002c0bda
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2#eaff56fe28d1236076aa3bb13c35b434
-https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.79.1-h2574ce0_1.tar.bz2#7df45d44314d8ed15453dbe9f6c125db
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.80.0-h2574ce0_0.tar.bz2#5d0784b790350f7939bb5d3f2c32e700
 https://conda.anaconda.org/conda-forge/noarch/nest-asyncio-1.5.1-pyhd8ed1ab_0.tar.bz2#47a51a5b8f9cc41004c8d7bd88b62447
 https://conda.anaconda.org/conda-forge/noarch/pamela-1.0.0-py_0.tar.bz2#36f6f18d2f3ae0c93d77a9dbedad08c3
 https://conda.anaconda.org/conda-forge/noarch/pandocfilters-1.5.0-pyhd8ed1ab_0.tar.bz2#457c2c8c08e54905d6954e79cb5b5db9
 https://conda.anaconda.org/conda-forge/noarch/parso-0.8.2-pyhd8ed1ab_0.tar.bz2#fb40b157bd62b457a1cc82527b63f0b0
-https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.11.0-pyhd8ed1ab_0.tar.bz2#01f530bf82d9f589c2087b8c347d5e29
+https://conda.anaconda.org/conda-forge/noarch/pickleshare-0.7.5-py_1003.tar.bz2#415f0ebb6198cc2801c73438a9fb5761
+https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.12.0-pyhd8ed1ab_0.tar.bz2#d7b366cccdf2c1e8ebdddbfff7c2ba00
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
-https://conda.anaconda.org/conda-forge/noarch/pycparser-2.20-pyh9f0ad1d_2.tar.bz2#aa798d50ffd182a0f6f31478c7f434f6
-https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.1.0-pyhd8ed1ab_0.tar.bz2#c602e093a43beb74210362e983584666
-https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.7-pyh9f0ad1d_0.tar.bz2#626c4f20d5bf06dcec9cf2eaa31725c7
+https://conda.anaconda.org/conda-forge/noarch/pycparser-2.21-pyhd8ed1ab_0.tar.bz2#076becd9e05608f8dc72757d5f3a91ff
+https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.3.0-pyhd8ed1ab_0.tar.bz2#4eb3e2f2732ec43c569fe26f96c490f5
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-3.0.6-pyhd8ed1ab_0.tar.bz2#3087df8c636c5a00e694605c39ce4982
 https://conda.anaconda.org/conda-forge/noarch/python-json-logger-2.0.1-pyh9f0ad1d_0.tar.bz2#aed452f2f9f8bc8b2b0c412975051b5b
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-3.7-2_cp37m.tar.bz2#afff88bf9a7048da740c70aeb8cdbb82
 https://conda.anaconda.org/conda-forge/noarch/pytz-2021.3-pyhd8ed1ab_0.tar.bz2#7e4f811bff46a5a6a7e0094921389395
 https://conda.anaconda.org/conda-forge/noarch/send2trash-1.8.0-pyhd8ed1ab_0.tar.bz2#edab14119efe85c3bf131ad747e9005c
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/testpath-0.5.0-pyhd8ed1ab_0.tar.bz2#53b57d6a468bebc7cef1253b177a5e9e
-https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.0-pyhd8ed1ab_0.tar.bz2#f6ba1dcaac382d318901f44c0eb3dcb8
-https://conda.anaconda.org/conda-forge/noarch/typing_extensions-3.10.0.2-pyha770c72_0.tar.bz2#85dfd487a244bbe2cf7019ce8a39b5bc
+https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.1-pyhd8ed1ab_0.tar.bz2#a1bc9765ef9499760e88f568b3a6622c
+https://conda.anaconda.org/conda-forge/noarch/typing_extensions-4.0.0-pyha770c72_0.tar.bz2#867353d58b5967a994dd3cec85166ad8
 https://conda.anaconda.org/conda-forge/noarch/webencodings-0.5.1-py_1.tar.bz2#3563be4c5611a44210d9ba0c16113136
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
 https://conda.anaconda.org/conda-forge/noarch/zipp-3.6.0-pyhd8ed1ab_0.tar.bz2#855e2c4622f5eb50a4f6f7167b9ba17a
 https://conda.anaconda.org/conda-forge/noarch/babel-2.9.1-pyh44b312d_0.tar.bz2#74136ed39bfea0832d338df1e58d013e
-https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.5.30-py37h89c1867_0.tar.bz2#105f18ae8597a5f4d4e3188bcb06c796
-https://conda.anaconda.org/conda-forge/linux-64/cffi-1.14.6-py37h036bc23_1.tar.bz2#43cbbebef925c942310d814502323c63
-https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py37h89c1867_1.tar.bz2#f4fbd4721b80f0d6b53b3a3374914068
-https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.4.1-py37hcd2ae1e_0.tar.bz2#2fe9a412db79e302782f7ed9e18c02dd
-https://conda.anaconda.org/conda-forge/linux-64/entrypoints-0.3-py37hc8dfbb8_1002.tar.bz2#1d8fad3ab1118f88aada03a56efa93d8
-https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py37hcd2ae1e_0.tar.bz2#46690607252de1ec38dbf9e390ae1819
-https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.1-py37h89c1867_0.tar.bz2#6c71b2b82c7e5908e1077b932632b6cf
-https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.2.2-pyhd8ed1ab_0.tar.bz2#95f347313ca89b90b65ea5265051aea1
-https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.0-py37h89c1867_2.tar.bz2#5e95b453f199caec4dd1bf6002ae0ce2
-https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.8.1-py37h89c1867_0.tar.bz2#7fd03e4247346d69702ad89c726c96fe
-https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py37h5e8e339_0.tar.bz2#90ad307f6997784664de956e09ec689e
+https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.10.8-py37h89c1867_1.tar.bz2#48e8442b6097c7d4a0e3494c74ff9eeb
+https://conda.anaconda.org/conda-forge/linux-64/cffi-1.15.0-py37h036bc23_0.tar.bz2#05ab26c7685bcb7dd8bc8752c121f823
+https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py37h89c1867_2.tar.bz2#bc94a8fe45019ad331d8a936cd65210f
+https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.5.1-py37hcd2ae1e_0.tar.bz2#739a721301e47f42998af7bd51f0c42c
+https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py37hcd2ae1e_1.tar.bz2#f39576dbfb9a1067293d24f0e3b6bdda
+https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.2-py37h89c1867_0.tar.bz2#a62f2bad6654c1a91e3241ca7979fe05
+https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.4.0-pyhd8ed1ab_0.tar.bz2#9fb134dbabe7851a9d71411064b2c30d
+https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.1-py37h89c1867_0.tar.bz2#432446f7c13e1babe6bc05ba74d30f64
+https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.9.1-py37h89c1867_1.tar.bz2#95df6ebc6f4e8edd5d87aa99c59da605
+https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py37h5e8e339_1.tar.bz2#6c7c14c95d4c435b66261639b64c7c51
 https://conda.anaconda.org/conda-forge/noarch/matplotlib-inline-0.1.3-pyhd8ed1ab_0.tar.bz2#be3bfd435802d2c768c6b2439f325f3d
-https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py37h5e8e339_1004.tar.bz2#2a5b3879a9268d1cad576f36a6b41349
-https://conda.anaconda.org/conda-forge/noarch/packaging-21.0-pyhd8ed1ab_0.tar.bz2#45cfb8e482b5cce8f07c87e0e19a592c
-https://conda.anaconda.org/conda-forge/linux-64/pexpect-4.8.0-py37hc8dfbb8_1.tar.bz2#fda2ad946f9f5b7ce3531cc34ab262e9
-https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py37hc8dfbb8_1002.tar.bz2#14ce4d7ec7d9a22007168539135bc6d5
-https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py37h5e8e339_1.tar.bz2#2923250371b05e798f3732531cdb5300
-https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py37h88a64d2_0.tar.bz2#60e46ec940aea1198b559bd37c805243
-https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.17.3-py37h5e8e339_2.tar.bz2#829e0a0279d711a7b5aa67fe18c73672
-https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py37h89c1867_3.tar.bz2#bd069d59ee91a2e26552cd7bb4c64032
+https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py37h5e8e339_1005.tar.bz2#2dd7bedc3ea33c30cb9dcf93d64c10eb
+https://conda.anaconda.org/conda-forge/noarch/packaging-21.3-pyhd8ed1ab_0.tar.bz2#71f1ab2de48613876becddd496371c85
+https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
+https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py37h5e8e339_2.tar.bz2#01e107921a7431734b1120c720786a5f
+https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py37h88a64d2_1.tar.bz2#4e4c43ae76df275f09cffc5e63ae936d
+https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.18.0-py37h5e8e339_0.tar.bz2#69da29cfba0498d7d8dbcb323607d624
+https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py37h89c1867_4.tar.bz2#44df88d27e2891f90e3f06dcfcca0927
 https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.2-pyhd8ed1ab_0.tar.bz2#dd999d1cc9f79e67dbb855c8924c7984
-https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py37h336d617_0.tar.bz2#def88a6d73bb6a7c95418e341708f599
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.2-py37h5e8e339_2.tar.bz2#4211f3b208e9b1c87a5ccf34775f126b
-https://conda.anaconda.org/conda-forge/linux-64/setuptools-58.2.0-py37h89c1867_0.tar.bz2#df8adba0800b87a9232e801c70ec14d9
-https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py37h89c1867_1.tar.bz2#a48a71b3c0a40b5227056a7cb653d99d
-https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py37h5e8e339_1.tar.bz2#92449128c4639feae48d731ef2186099
-https://conda.anaconda.org/conda-forge/linux-64/websocket-client-0.57.0-py37h89c1867_4.tar.bz2#b7d10c52e3aaca152f4e16f90e40cd55
-https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.2-py37h89c1867_0.tar.bz2#badc1ab95ee9ff86e11d256dbfa44eb3
-https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-20.1.0-py37h5e8e339_2.tar.bz2#5403470dcc6211e0ad72077616e2519d
+https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py37h336d617_1.tar.bz2#6512cf886a870090430e2f37f41b652e
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.6-py37h5e8e339_0.tar.bz2#70ee31b43817f9fb7a46f76db99af94b
+https://conda.anaconda.org/conda-forge/linux-64/setuptools-59.1.1-py37h89c1867_0.tar.bz2#15ec7a4a7837f3514e77d170de54d01a
+https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py37h89c1867_2.tar.bz2#464124f171b89cb9b459f47f81cc0e84
+https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py37h5e8e339_2.tar.bz2#ec86ae00c96dea5f2d810957a8fabc26
+https://conda.anaconda.org/conda-forge/linux-64/websocket-client-1.2.1-py37h89c1867_0.tar.bz2#1c7a6c273159dea8686eb52ed81ff68c
+https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.4-py37h89c1867_1.tar.bz2#2005be2785f0d7c3969a72bce8282829
+https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-21.1.0-py37h5e8e339_2.tar.bz2#df7a91ae586dd41d30bfc1b775b9eb6c
 https://conda.anaconda.org/conda-forge/noarch/backports.functools_lru_cache-1.6.4-pyhd8ed1ab_0.tar.bz2#c5b3edc62d6309088f4970b3eaaa65a6
 https://conda.anaconda.org/conda-forge/noarch/bleach-4.1.0-pyhd8ed1ab_0.tar.bz2#4a2104c7b22c222bd0fe03aaef12862c
-https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py37h5e8e339_1001.tar.bz2#871eed4ba322e7b3f200956a096b34e7
-https://conda.anaconda.org/conda-forge/linux-64/cryptography-3.4.7-py37h5d9358c_0.tar.bz2#d811fb6a96ae0cf8c0a17457a8e67ff4
-https://conda.anaconda.org/conda-forge/noarch/importlib_metadata-4.8.1-hd8ed1ab_0.tar.bz2#ce811c521c3a02d7c8ace1cfbd2a0bcd
-https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.1-pyhd8ed1ab_0.tar.bz2#c647e77921fd3e245cdcc5b2d451a0f8
-https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.0.1-pyhd8ed1ab_0.tar.bz2#e51c302441bad8d2fbba17e1e23eac24
+https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py37h5e8e339_1003.tar.bz2#4ad2e74470a3c08b0f6d59699f0d9a32
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-35.0.0-py37hf1a17b8_2.tar.bz2#638fb6eead87605f7639d9ee222ff4c0
+https://conda.anaconda.org/conda-forge/noarch/importlib_metadata-4.8.2-hd8ed1ab_0.tar.bz2#4fcc9776fdf4c35c5a10662bbbd21a61
+https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.3-pyhd8ed1ab_0.tar.bz2#036d872c653780cb26e797e2e2f61b4c
+https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.2.1-pyhd8ed1ab_0.tar.bz2#0a4d10a794fc48016d8d0453365180ad
 https://conda.anaconda.org/conda-forge/noarch/jupyter_client-7.0.6-pyhd8ed1ab_0.tar.bz2#bad4522cf4a022cb5500969ad67c3342
-https://conda.anaconda.org/conda-forge/noarch/mako-1.1.5-pyhd8ed1ab_0.tar.bz2#e8f5f27557d8a0f6c4ed9950cd622e50
-https://conda.anaconda.org/conda-forge/noarch/pip-21.2.4-pyhd8ed1ab_0.tar.bz2#4104ada314dd5639ea36cc12bce0a2cd
+https://conda.anaconda.org/conda-forge/noarch/mako-1.1.6-pyhd8ed1ab_0.tar.bz2#cb952a55037148f6a5ddd9770ee1384f
+https://conda.anaconda.org/conda-forge/noarch/pip-21.3.1-pyhd8ed1ab_0.tar.bz2#e4fe2a9af78ff11f1aced7e62128c6a8
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.10.0-pyhd8ed1ab_0.tar.bz2#32bcce837f1316f1c3208118b6c5e5fc
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.16-py37h5e8e339_0.tar.bz2#3022e8a511239bf6fb8a58eed0def135
-https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.25-py37h5e8e339_0.tar.bz2#a99762a92c0d402de973e5cec9da8632
-https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py37h89c1867_0.tar.bz2#b5731c592caa70ecc1363d60ce725243
-https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.3-pyhd8ed1ab_0.tar.bz2#e60694657bfb440e569d043dae99d111
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.17-py37h5e8e339_1.tar.bz2#ef560c87b050c6d270ad4c8ba7569e22
+https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.27-py37h5e8e339_0.tar.bz2#7038a00e1b5f511286008bf12901faf9
+https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py37h89c1867_1.tar.bz2#658fe17f1a35117ebfb063f3b023c884
+https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.5-pyhd8ed1ab_0.tar.bz2#1102908123392ffc63c01caea136b1d4
 https://conda.anaconda.org/conda-forge/noarch/argcomplete-1.12.3-pyhd8ed1ab_2.tar.bz2#b8152341fc3fc9880c6e1b9d188974e5
 https://conda.anaconda.org/conda-forge/noarch/jupyter_telemetry-0.1.0-pyhd8ed1ab_1.tar.bz2#bb9ebdb6d5aa2622484aff1faceee181
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_pygments-0.1.2-pyh9f0ad1d_0.tar.bz2#2cbd910890bb328e8959246a1e16fac7
@@ -116,23 +120,22 @@ https://conda.anaconda.org/conda-forge/noarch/oauthlib-3.1.1-pyhd8ed1ab_0.tar.bz
 https://conda.anaconda.org/conda-forge/noarch/pyopenssl-21.0.0-pyhd8ed1ab_0.tar.bz2#8c49efecb7dca466e18b06015e8c88ce
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.2.5-pyh9f0ad1d_2.tar.bz2#5266fcd697043c59621fda522b3d78ee
 https://conda.anaconda.org/conda-forge/noarch/certipy-0.1.3-py_0.tar.bz2#23486713ef5712923e7c57cae609b22e
-https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.4-pyhd8ed1ab_0.tar.bz2#66ea0ea89e4f657a8b85fa5bdfce60ac
-https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.20-pyha770c72_0.tar.bz2#98a90e847b48fc14b2d5b12e4884e8d4
+https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.9-pyhd8ed1ab_0.tar.bz2#21554dd9bbabff27ae87f715fee4d56c
+https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.22-pyha770c72_0.tar.bz2#a749a230f0d950eae1dedf13ff344b15
 https://conda.anaconda.org/conda-forge/noarch/urllib3-1.26.7-pyhd8ed1ab_0.tar.bz2#be75bab4820a56f77ba1a3fc9139c36a
-https://conda.anaconda.org/conda-forge/linux-64/ipython-7.28.0-py37h6531663_0.tar.bz2#2a75abe115faed053577f8b680a90f46
+https://conda.anaconda.org/conda-forge/linux-64/ipython-7.29.0-py37h6531663_2.tar.bz2#7bb990d377b5d8387808dca0db83d503
 https://conda.anaconda.org/conda-forge/linux-64/nbconvert-6.0.7-py37h89c1867_3.tar.bz2#aa3710e0a8a44d7c7313b37775018446
 https://conda.anaconda.org/conda-forge/noarch/requests-2.26.0-pyhd8ed1ab_0.tar.bz2#0ed2ccbde6db9dd5789068eb7194463f
-https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.4.1-py37h6531663_0.tar.bz2#6d07659dabaeadc3b575dfd041852f19
+https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.5.0-py37h6531663_1.tar.bz2#cf0451e30d11eea3af1a5114bd55d603
+https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.2-pyhd8ed1ab_0.tar.bz2#f14d0f526177445a4de21dc878d21b31
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-base-1.4.2-py37h89c1867_0.tar.bz2#a61ccf7a9c83522c9b869816bb041a4c
-https://conda.anaconda.org/conda-forge/noarch/requests-unixsocket-0.2.0-py_0.tar.bz2#1e94a233d2f2c81b2bf11bd43a515fbe
-https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.1-pyhd8ed1ab_0.tar.bz2#8861413be89425f2c32ec15ad098aeb5
-https://conda.anaconda.org/conda-forge/linux-64/notebook-6.3.0-py37h89c1867_0.tar.bz2#76f65d90332854acdbd6fa16db92bdde
-https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
 https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
-https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py37h89c1867_0.tar.bz2#fb8151960fce2c583c7d1eaf6d4a178a
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
-https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.2-pyhd8ed1ab_0.tar.bz2#289b4ac8e8ce489d747ef9e4d5e1d4d2
+https://conda.anaconda.org/conda-forge/noarch/notebook-6.3.0-pyha770c72_1.tar.bz2#6a53111a5a62d32abfa21aac8fc55a1b
+https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
+https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py37h89c1867_0.tar.bz2#fb8151960fce2c583c7d1eaf6d4a178a
+https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.4-pyhd8ed1ab_0.tar.bz2#e21efe42d229d4b8a42ae4aa08ac4198
 https://conda.anaconda.org/conda-forge/noarch/nteract_on_jupyter-2.1.3-py_0.tar.bz2#1430ccd983ae6b161e2fbf4377965f7a
-https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.1-py37h89c1867_4.tar.bz2#274af17d64191a15d3899d5fdc4abc02
+https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.2-py37h89c1867_1.tar.bz2#deaf685ad832b287439250b4ff35f64d
 https://conda.anaconda.org/conda-forge/noarch/ipywidgets-7.6.3-pyhd3deb0d_0.tar.bz2#536a9ed6d9e740f2b83d1a3c388e4388
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab-3.1.17-pyhd8ed1ab_0.tar.bz2#22bf1d0a87a7015dc51140372ea950fa
diff --git a/repo2docker/buildpacks/conda/environment.py-2.7.lock b/repo2docker/buildpacks/conda/environment.py-2.7.lock
index 433a32fa..0569c0f4 100644
--- a/repo2docker/buildpacks/conda/environment.py-2.7.lock
+++ b/repo2docker/buildpacks/conda/environment.py-2.7.lock
@@ -1,16 +1,16 @@
 # AUTO GENERATED FROM environment.py-2.7.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:32:48 UTC
+# Frozen on 2021-11-19 16:44:48 UTC
 # Generated by conda-lock.
 # platform: linux-64
 # input_hash: 6e66c9e333cfc5d702bcabcb832e0f70ee70bd3ef21869e83a2db3596ce0d826
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
 https://conda.anaconda.org/conda-forge/linux-64/libffi-3.2.1-he1b5a44_1007.tar.bz2#11389072d7d6036fd811c3d9460475cd
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.17-h516909a_0.tar.bz2#a98437ebf6fbbc6e498c64636f3958cf
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
@@ -22,22 +22,22 @@ https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
 https://conda.anaconda.org/conda-forge/linux-64/python-2.7.15-h5a48372_1011_cpython.tar.bz2#d1824ac0987155f58a03b7ffda01db38
-https://conda.anaconda.org/conda-forge/linux-64/backports-1.0-py27_1.tar.bz2#eda57aeca994883cc314e03b71968668
-https://conda.anaconda.org/conda-forge/linux-64/backports.shutil_get_terminal_size-1.0.0-py27_1.tar.bz2#539974750142343a3944ac010e475cb6
-https://conda.anaconda.org/conda-forge/linux-64/backports_abc-0.5-py27_0.tar.bz2#125cc4f050a230395060f1f1349ec18e
+https://conda.anaconda.org/conda-forge/noarch/backports-1.0-py_2.tar.bz2#0da16b293affa6ac31812376f8eb79dd
+https://conda.anaconda.org/conda-forge/noarch/backports_abc-0.5-py_1.tar.bz2#6ac8cc52b55791b066dc43469bbaf8f2
 https://conda.anaconda.org/conda-forge/noarch/decorator-4.4.2-py_0.tar.bz2#d2eabb9cabd212e1ec6a9463bd846243
-https://conda.anaconda.org/conda-forge/linux-64/ipython_genutils-0.2.0-py27_0.tar.bz2#5e8c18afa86e5f3af13248316e202288
+https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-2.7-1_cp27mu.tar.bz2#02d6ad6bce3a798e6ee85494cd9b3d8d
-https://conda.anaconda.org/conda-forge/linux-64/simplegeneric-0.8.1-py27_0.tar.bz2#f1db3b1ec8ca72f3b1a26331b386aa51
+https://conda.anaconda.org/conda-forge/noarch/simplegeneric-0.8.1-py_1.tar.bz2#a561caf8601e8d85547c77a54ee99333
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.1.9-pyh9f0ad1d_0.tar.bz2#ef10a99c7570762fa2a69218c171dbc8
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
+https://conda.anaconda.org/conda-forge/noarch/backports.shutil_get_terminal_size-1.0.0-py_3.tar.bz2#ed3c4ce59b457c5fd7ca79b94c57eff4
 https://conda.anaconda.org/conda-forge/linux-64/certifi-2019.11.28-py27h8c360ce_1.tar.bz2#a345324a2547908c1f9ca4b65d93f5ba
 https://conda.anaconda.org/conda-forge/linux-64/configparser-3.7.3-py27h8c360ce_2.tar.bz2#fce87da76335c7274cb858745fded401
 https://conda.anaconda.org/conda-forge/linux-64/enum34-1.1.10-py27h8c360ce_1.tar.bz2#0af4ab7b9189611125ba54d99163f58d
 https://conda.anaconda.org/conda-forge/linux-64/futures-3.3.0-py27h8c360ce_1.tar.bz2#2689f3fc54d3987298828719b0244005
-https://conda.anaconda.org/conda-forge/linux-64/pexpect-4.8.0-py27h8c360ce_1.tar.bz2#e772596cb72ea97421227a22aefba64a
+https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
 https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.1-py_0.tar.bz2#0d0150ed9c2d25817f5324108d3f7571
 https://conda.anaconda.org/conda-forge/linux-64/pyzmq-19.0.0-py27h76efe43_1.tar.bz2#0f578fd2966e4b2b910ffb3d39951645
 https://conda.anaconda.org/conda-forge/linux-64/scandir-1.10.0-py27hdf8410d_1.tar.bz2#bfaf4b51772c5904b696ce7d68731397
@@ -52,6 +52,6 @@ https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py27h8c360ce_1
 https://conda.anaconda.org/conda-forge/noarch/pip-20.1.1-pyh9f0ad1d_0.tar.bz2#cd67a20c73ff2514cf5f34cae28fc867
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.5.2-py_0.tar.bz2#c48719b941c60b26add57de2b014ef96
 https://conda.anaconda.org/conda-forge/linux-64/jupyter_client-5.3.4-py27_1.tar.bz2#ec6099141189dfae14367478d3e96fa9
-https://conda.anaconda.org/conda-forge/linux-64/prompt_toolkit-1.0.15-py27_0.tar.bz2#e64d8ff5a16afcea0dff046bc837f6db
+https://conda.anaconda.org/conda-forge/noarch/prompt_toolkit-1.0.15-py_1.tar.bz2#f5bea0930b268df84653cb32c8d1542f
 https://conda.anaconda.org/conda-forge/linux-64/ipython-5.8.0-py27_1.tar.bz2#b95b11ff25dde76c6fa0c5620a8e90ad
 https://conda.anaconda.org/conda-forge/linux-64/ipykernel-4.8.2-py27_0.tar.bz2#18141b1342f87e1607c5b389c2c12a81
diff --git a/repo2docker/buildpacks/conda/environment.py-3.5.lock b/repo2docker/buildpacks/conda/environment.py-3.5.lock
index 25297473..7d4d7505 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.5.lock
+++ b/repo2docker/buildpacks/conda/environment.py-3.5.lock
@@ -1,25 +1,31 @@
 # py3.5 conda packages are no longer being updated as of 12/2018
+# note: one update 11/2021 to shift nodejs into conda-env
 # this file is hand-maintained now
 # and should only receive security fixes, no new features
 @EXPLICIT
-https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-main.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2018.10.15-ha4d7672_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/libstdcxx-ng-7.2.0-hdf63c60_3.conda
-https://repo.anaconda.com/pkgs/main/linux-64/libgcc-ng-7.2.0-hdf63c60_3.conda
+https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.6-h470a237_2.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/gmp-6.1.2-hfc679d8_0.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.2.1-hfc679d8_5.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.3-h58526e2_2.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.16-h470a237_1.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.1-hfc679d8_1.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/openssl-1.0.2p-h470a237_1.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/xz-5.2.4-h470a237_1.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/xz-5.2.5-h516909a_1.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h470a237_3.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/pandoc-1.19.2-0.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/readline-7.0-haf1bffa_1.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.9-ha92aebf_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/readline-8.1-h46c0cb4_0.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.2.5-hfc679d8_6.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.25.3-hb1c47c0_0.tar.bz2
-https://conda.anaconda.org/conda-forge/linux-64/python-3.5.5-h5001a0f_2.tar.bz2
+https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2
+https://repo.anaconda.com/pkgs/main/linux-64/python-3.5.6-h12debd9_1.conda
 https://conda.anaconda.org/conda-forge/noarch/backcall-0.1.0-py_0.tar.bz2
 https://conda.anaconda.org/conda-forge/linux-64/certifi-2018.8.24-py35_1001.tar.bz2
 https://conda.anaconda.org/conda-forge/noarch/decorator-4.3.0-py_0.tar.bz2
diff --git a/repo2docker/buildpacks/conda/environment.py-3.6.lock b/repo2docker/buildpacks/conda/environment.py-3.6.lock
index 9a5915f9..b2d1111b 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.6.lock
+++ b/repo2docker/buildpacks/conda/environment.py-3.6.lock
@@ -1,21 +1,23 @@
 # AUTO GENERATED FROM environment.py-3.6.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:33:22 UTC
+# Frozen on 2021-11-19 16:45:40 UTC
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: 1b892b16944e00001e2e99c86d794fe0e1077e89eb9e3f11632db4cb8157f34b
+# input_hash: 2ba789ff54f701d5bfeecd766fadb46b7faa04afdc9a4d1787afb2f93f92ebdb
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.14.2-h7f98852_0.tar.bz2#036a4ef13793d1bd771090b49c4c2550
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.16.1-h7f98852_0.tar.bz2#41f9f702c158189327a80fbeb108b172
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.17.2-h7f98852_0.tar.bz2#a25871010e5104556045aa01850fbddf
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.18.1-h7f98852_0.tar.bz2#f26ef8098fab1f719c91eb760d63381a
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2#6618c9b191638993f2a818c6529e1b49
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-h516909a_1.tar.bz2#6f8720dff19e17ce5d48cfe7f3d2f0a3
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h9c3ff4c_4.tar.bz2#dea515312db9d4788e52c2edfc657635
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h7f98852_5.tar.bz2#d645c6d2ac96843a2bfaccd2d62b3ac3
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.18-h36c2ea0_1.tar.bz2#c3788462a6fbddafdb413a9f9053e58d
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2#5b3e8d9da3e6a68a0e945c37eef6b472
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
 https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2#509f2a21c4a09214cd737a480dfd80c9
 https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2#de7b38a1542dbe6f41653a8ae71adc53
@@ -26,40 +28,43 @@ https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.3.4-h9c3ff4c_1.tar.bz2#
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz2#cf7190238072a41e9579e4476a6a60b8
 https://conda.anaconda.org/conda-forge/linux-64/libnghttp2-1.43.0-h812cca2_1.tar.bz2#d0a7846b7b3b8fb0d8b36904a53b8155
 https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.10.0-ha56f1ee_2.tar.bz2#6ab4eaa11ff01801cffca0a27489dc04
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2#e6e81754fbab03fcc3cde8aff8545467
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
-https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_2.tar.bz2#2094cf6b08a571cecf7fa332152e6461
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_3.tar.bz2#e29650992ae593bc05fc93722483e5c3
 https://conda.anaconda.org/conda-forge/linux-64/python-3.6.13-hb7a2778_2_cpython.tar.bz2#c6f337bc180a8de2243ca826b28cb220
 https://conda.anaconda.org/conda-forge/noarch/async_generator-1.10-py_0.tar.bz2#d56c596e61b1c4952acf0a9920856c12
 https://conda.anaconda.org/conda-forge/noarch/attrs-21.2.0-pyhd8ed1ab_0.tar.bz2#d2e1c7f388ac403df7079b411c37cc50
 https://conda.anaconda.org/conda-forge/noarch/backcall-0.2.0-pyh9f0ad1d_0.tar.bz2#6006a6d08a3fa99268a2681c7fb55213
-https://conda.anaconda.org/conda-forge/linux-64/backports-1.0-py36_1.tar.bz2#0e8774f348e40cdc512fee62fb202f7b
+https://conda.anaconda.org/conda-forge/noarch/backports-1.0-py_2.tar.bz2#0da16b293affa6ac31812376f8eb79dd
 https://conda.anaconda.org/conda-forge/noarch/blinker-1.4-py_1.tar.bz2#fa509a09190583f869ae442bf4d17f5f
 https://conda.anaconda.org/conda-forge/noarch/charset-normalizer-2.0.0-pyhd8ed1ab_0.tar.bz2#4a57e24d5b759893615c05926b7b5fb9
 https://conda.anaconda.org/conda-forge/noarch/dataclasses-0.8-pyh787bdff_2.tar.bz2#ed959a4ba14e6ddfa898630a5474a601
 https://conda.anaconda.org/conda-forge/noarch/decorator-5.1.0-pyhd8ed1ab_0.tar.bz2#71b13ba2e0efcff45646f05d619534b0
 https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.7.1-pyhd8ed1ab_0.tar.bz2#961b3a227b437d82ad7054484cfa71b2
+https://conda.anaconda.org/conda-forge/noarch/entrypoints-0.3-pyhd8ed1ab_1003.tar.bz2#bbf9a201f6ce99a506f4955374d9a9f4
 https://conda.anaconda.org/conda-forge/noarch/idna-3.1-pyhd3deb0d_0.tar.bz2#9c9aea4b8391264477df484f798562d0
-https://conda.anaconda.org/conda-forge/linux-64/ipython_genutils-0.2.0-py36_0.tar.bz2#80794c9ad52d72002687dc91222b31ba
+https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/json5-0.9.5-pyh9f0ad1d_0.tar.bz2#10759827a94e6b14996e81fb002c0bda
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2#eaff56fe28d1236076aa3bb13c35b434
-https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.79.1-h2574ce0_1.tar.bz2#7df45d44314d8ed15453dbe9f6c125db
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.80.0-h2574ce0_0.tar.bz2#5d0784b790350f7939bb5d3f2c32e700
 https://conda.anaconda.org/conda-forge/noarch/nest-asyncio-1.5.1-pyhd8ed1ab_0.tar.bz2#47a51a5b8f9cc41004c8d7bd88b62447
 https://conda.anaconda.org/conda-forge/noarch/pamela-1.0.0-py_0.tar.bz2#36f6f18d2f3ae0c93d77a9dbedad08c3
 https://conda.anaconda.org/conda-forge/noarch/pandocfilters-1.5.0-pyhd8ed1ab_0.tar.bz2#457c2c8c08e54905d6954e79cb5b5db9
 https://conda.anaconda.org/conda-forge/noarch/parso-0.7.1-pyh9f0ad1d_0.tar.bz2#f66647d1ec805566d72ac26f62b19c01
-https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.11.0-pyhd8ed1ab_0.tar.bz2#01f530bf82d9f589c2087b8c347d5e29
+https://conda.anaconda.org/conda-forge/noarch/pickleshare-0.7.5-py_1003.tar.bz2#415f0ebb6198cc2801c73438a9fb5761
+https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.12.0-pyhd8ed1ab_0.tar.bz2#d7b366cccdf2c1e8ebdddbfff7c2ba00
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
-https://conda.anaconda.org/conda-forge/noarch/pycparser-2.20-pyh9f0ad1d_2.tar.bz2#aa798d50ffd182a0f6f31478c7f434f6
-https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.1.0-pyhd8ed1ab_0.tar.bz2#c602e093a43beb74210362e983584666
-https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.7-pyh9f0ad1d_0.tar.bz2#626c4f20d5bf06dcec9cf2eaa31725c7
+https://conda.anaconda.org/conda-forge/noarch/pycparser-2.21-pyhd8ed1ab_0.tar.bz2#076becd9e05608f8dc72757d5f3a91ff
+https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.3.0-pyhd8ed1ab_0.tar.bz2#4eb3e2f2732ec43c569fe26f96c490f5
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-3.0.6-pyhd8ed1ab_0.tar.bz2#3087df8c636c5a00e694605c39ce4982
 https://conda.anaconda.org/conda-forge/noarch/python-json-logger-2.0.1-pyh9f0ad1d_0.tar.bz2#aed452f2f9f8bc8b2b0c412975051b5b
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-3.6-2_cp36m.tar.bz2#6f5b92d833a339da29ad8578c2a648ad
 https://conda.anaconda.org/conda-forge/noarch/pytz-2021.3-pyhd8ed1ab_0.tar.bz2#7e4f811bff46a5a6a7e0094921389395
 https://conda.anaconda.org/conda-forge/noarch/send2trash-1.8.0-pyhd8ed1ab_0.tar.bz2#edab14119efe85c3bf131ad747e9005c
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/testpath-0.5.0-pyhd8ed1ab_0.tar.bz2#53b57d6a468bebc7cef1253b177a5e9e
-https://conda.anaconda.org/conda-forge/noarch/typing_extensions-3.10.0.2-pyha770c72_0.tar.bz2#85dfd487a244bbe2cf7019ce8a39b5bc
+https://conda.anaconda.org/conda-forge/noarch/typing_extensions-4.0.0-pyha770c72_0.tar.bz2#867353d58b5967a994dd3cec85166ad8
 https://conda.anaconda.org/conda-forge/noarch/webencodings-0.5.1-py_1.tar.bz2#3563be4c5611a44210d9ba0c16113136
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
 https://conda.anaconda.org/conda-forge/noarch/zipp-3.6.0-pyhd8ed1ab_0.tar.bz2#855e2c4622f5eb50a4f6f7167b9ba17a
@@ -67,16 +72,14 @@ https://conda.anaconda.org/conda-forge/noarch/babel-2.9.1-pyh44b312d_0.tar.bz2#7
 https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.5.30-py36h5fab9bb_0.tar.bz2#500e3fb737f9d2023755f78f1f22ca69
 https://conda.anaconda.org/conda-forge/linux-64/cffi-1.14.6-py36hd8eec40_1.tar.bz2#2e025dd15559c9882880f005e6c02018
 https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py36h5fab9bb_1.tar.bz2#b63c63a44b8d37acaff014df8a512d92
-https://conda.anaconda.org/conda-forge/linux-64/entrypoints-0.3-py36h9f0ad1d_1002.tar.bz2#3ff18a1ed2e93fb739b97b3669dcaf89
 https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.1-py36hc4f0c31_0.tar.bz2#e0509bd49a3747b0442ecabae4a0df1b
 https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.1-py36h5fab9bb_0.tar.bz2#ec50a4f999b407d69b3a433c1405f0ba
-https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.2.2-pyhd8ed1ab_0.tar.bz2#95f347313ca89b90b65ea5265051aea1
+https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.4.0-pyhd8ed1ab_0.tar.bz2#9fb134dbabe7851a9d71411064b2c30d
 https://conda.anaconda.org/conda-forge/linux-64/jedi-0.17.2-py36h5fab9bb_1.tar.bz2#e761c2377eafa1268eda3dd192cb06cb
 https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py36h8f6f2f9_0.tar.bz2#e450eb239eb68d0467b1c6d0fef28ae9
 https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py36h8f6f2f9_1004.tar.bz2#a53a196c30fc83ee9f0a84711b8fa681
-https://conda.anaconda.org/conda-forge/noarch/packaging-21.0-pyhd8ed1ab_0.tar.bz2#45cfb8e482b5cce8f07c87e0e19a592c
-https://conda.anaconda.org/conda-forge/linux-64/pexpect-4.8.0-py36h9f0ad1d_1.tar.bz2#7fde8ab34b9254a5c8fb8004f7c649cb
-https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py36h9f0ad1d_1002.tar.bz2#8fa70e047f8c6e1b8c014d0f52f8d8db
+https://conda.anaconda.org/conda-forge/noarch/packaging-21.3-pyhd8ed1ab_0.tar.bz2#71f1ab2de48613876becddd496371c85
+https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
 https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py36h8f6f2f9_1.tar.bz2#ccecd9206d61f029549a81a980174ed8
 https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py36h66a4f8d_0.tar.bz2#ab0c8b5ebc4924b67d1ee2b1444abf0b
 https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.17.3-py36h8f6f2f9_2.tar.bz2#26db670368942d4a144cad213448496a
@@ -86,25 +89,25 @@ https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py36h7068817_0.tar.
 https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.2-py36h8f6f2f9_2.tar.bz2#20b17ae368cb09dd5609203ad3eaf122
 https://conda.anaconda.org/conda-forge/linux-64/setuptools-58.0.4-py36h5fab9bb_2.tar.bz2#d584b24af029d1fc78b6a0d2cc294d40
 https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py36h8f6f2f9_1.tar.bz2#3d19680e14cb7cf6f383ba1fd3a72f2c
-https://conda.anaconda.org/conda-forge/linux-64/traitlets-4.3.3-py36h9f0ad1d_1.tar.bz2#37802414836e8c0594873aaf656ace5d
-https://conda.anaconda.org/conda-forge/noarch/typing-extensions-3.10.0.2-hd8ed1ab_0.tar.bz2#786c3b0de977da13146a2eaaa091ac46
+https://conda.anaconda.org/conda-forge/noarch/traitlets-4.3.3-pyhd8ed1ab_2.tar.bz2#dacad0ee02418407a5991b0b62dfdc18
+https://conda.anaconda.org/conda-forge/noarch/typing-extensions-4.0.0-hd8ed1ab_0.tar.bz2#673180987c7cedf380792f046425d37d
 https://conda.anaconda.org/conda-forge/linux-64/websocket-client-0.57.0-py36h5fab9bb_4.tar.bz2#2102ad374c118953b3906ae19728da28
-https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-20.1.0-py36h8f6f2f9_2.tar.bz2#63fee45eaa9ecec8d66c9ec4422ab6e7
+https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-21.1.0-py36h8f6f2f9_0.tar.bz2#c7ff3bb6bfd8cb82aefb8d960c439743
 https://conda.anaconda.org/conda-forge/noarch/backports.functools_lru_cache-1.6.4-pyhd8ed1ab_0.tar.bz2#c5b3edc62d6309088f4970b3eaaa65a6
 https://conda.anaconda.org/conda-forge/noarch/bleach-4.1.0-pyhd8ed1ab_0.tar.bz2#4a2104c7b22c222bd0fe03aaef12862c
 https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py36h8f6f2f9_1001.tar.bz2#0f244e9624403e17430e9d959530b01c
-https://conda.anaconda.org/conda-forge/linux-64/cryptography-3.4.7-py36hb60f036_0.tar.bz2#e3f8fbf0f4037279847c8ab1551fe6f8
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-35.0.0-py36hb60f036_0.tar.bz2#d7533bed1783b4abef7e598cee93347d
 https://conda.anaconda.org/conda-forge/linux-64/immutables-0.16-py36h8f6f2f9_0.tar.bz2#e9abd4b9cee6d7dd062ca2b5f4e4c9f3
-https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.1-pyhd8ed1ab_0.tar.bz2#c647e77921fd3e245cdcc5b2d451a0f8
-https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.0.1-pyhd8ed1ab_0.tar.bz2#e51c302441bad8d2fbba17e1e23eac24
+https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.3-pyhd8ed1ab_0.tar.bz2#036d872c653780cb26e797e2e2f61b4c
+https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.1.2-pyhd8ed1ab_0.tar.bz2#94188756716d63117f09d546a30d43e7
 https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.8.1-py36h5fab9bb_0.tar.bz2#a6fa892e9d37e4e299b426c8fdb6f1d6
-https://conda.anaconda.org/conda-forge/noarch/mako-1.1.5-pyhd8ed1ab_0.tar.bz2#e8f5f27557d8a0f6c4ed9950cd622e50
-https://conda.anaconda.org/conda-forge/noarch/pip-21.2.4-pyhd8ed1ab_0.tar.bz2#4104ada314dd5639ea36cc12bce0a2cd
+https://conda.anaconda.org/conda-forge/noarch/mako-1.1.6-pyhd8ed1ab_0.tar.bz2#cb952a55037148f6a5ddd9770ee1384f
+https://conda.anaconda.org/conda-forge/noarch/pip-21.3.1-pyhd8ed1ab_0.tar.bz2#e4fe2a9af78ff11f1aced7e62128c6a8
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.10.0-pyhd8ed1ab_0.tar.bz2#32bcce837f1316f1c3208118b6c5e5fc
 https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.16-py36h8f6f2f9_0.tar.bz2#602e4a91b1df8519343e4a317a75fd5a
 https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.25-py36h8f6f2f9_0.tar.bz2#fbe3f8667087f9c6dc0011df8c39f76b
 https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py36h5fab9bb_0.tar.bz2#292f1173e1c1b446dc5969444f619108
-https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.3-pyhd8ed1ab_0.tar.bz2#e60694657bfb440e569d043dae99d111
+https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.5-pyhd8ed1ab_0.tar.bz2#1102908123392ffc63c01caea136b1d4
 https://conda.anaconda.org/conda-forge/noarch/contextvars-2.4-py_0.tar.bz2#295fe9300971a6bd1dc4b18ad6509be2
 https://conda.anaconda.org/conda-forge/noarch/jupyter_client-7.0.6-pyhd8ed1ab_0.tar.bz2#bad4522cf4a022cb5500969ad67c3342
 https://conda.anaconda.org/conda-forge/noarch/jupyter_telemetry-0.1.0-pyhd8ed1ab_1.tar.bz2#bb9ebdb6d5aa2622484aff1faceee181
@@ -114,8 +117,8 @@ https://conda.anaconda.org/conda-forge/noarch/oauthlib-3.1.1-pyhd8ed1ab_0.tar.bz
 https://conda.anaconda.org/conda-forge/noarch/pyopenssl-21.0.0-pyhd8ed1ab_0.tar.bz2#8c49efecb7dca466e18b06015e8c88ce
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.2.5-pyh9f0ad1d_2.tar.bz2#5266fcd697043c59621fda522b3d78ee
 https://conda.anaconda.org/conda-forge/noarch/certipy-0.1.3-py_0.tar.bz2#23486713ef5712923e7c57cae609b22e
-https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.4-pyhd8ed1ab_0.tar.bz2#66ea0ea89e4f657a8b85fa5bdfce60ac
-https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.20-pyha770c72_0.tar.bz2#98a90e847b48fc14b2d5b12e4884e8d4
+https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.9-pyhd8ed1ab_0.tar.bz2#21554dd9bbabff27ae87f715fee4d56c
+https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.22-pyha770c72_0.tar.bz2#a749a230f0d950eae1dedf13ff344b15
 https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py36h5fab9bb_1.tar.bz2#43c550017bd3ffea3cbc9669617b71eb
 https://conda.anaconda.org/conda-forge/noarch/urllib3-1.26.7-pyhd8ed1ab_0.tar.bz2#be75bab4820a56f77ba1a3fc9139c36a
 https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.2-py36h5fab9bb_0.tar.bz2#68e1135e2c76b473fc08831ba4b940c0
@@ -123,15 +126,14 @@ https://conda.anaconda.org/conda-forge/linux-64/ipython-7.16.1-py36he448a4c_2.ta
 https://conda.anaconda.org/conda-forge/linux-64/nbconvert-6.0.7-py36h5fab9bb_3.tar.bz2#30f571d5b9a389f49b1d54a0e38871bc
 https://conda.anaconda.org/conda-forge/noarch/requests-2.26.0-pyhd8ed1ab_0.tar.bz2#0ed2ccbde6db9dd5789068eb7194463f
 https://conda.anaconda.org/conda-forge/linux-64/ipykernel-5.5.5-py36hcb3619a_0.tar.bz2#595507013916992bbd551005bfa96bbf
+https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.2-pyhd8ed1ab_0.tar.bz2#f14d0f526177445a4de21dc878d21b31
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-base-1.4.2-py36h5fab9bb_0.tar.bz2#01e91ea234e632cf4ee3284a338a679d
-https://conda.anaconda.org/conda-forge/noarch/requests-unixsocket-0.2.0-py_0.tar.bz2#1e94a233d2f2c81b2bf11bd43a515fbe
-https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.1-pyhd8ed1ab_0.tar.bz2#8861413be89425f2c32ec15ad098aeb5
+https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
+https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
 https://conda.anaconda.org/conda-forge/linux-64/notebook-6.3.0-py36h5fab9bb_0.tar.bz2#4b075f38968b16bb1be4d17d90cf7e38
 https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
-https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py36h5fab9bb_0.tar.bz2#647d5e58896dda8405b124e4606a5314
-https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
-https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.2-pyhd8ed1ab_0.tar.bz2#289b4ac8e8ce489d747ef9e4d5e1d4d2
+https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.4-pyhd8ed1ab_0.tar.bz2#e21efe42d229d4b8a42ae4aa08ac4198
 https://conda.anaconda.org/conda-forge/noarch/nteract_on_jupyter-2.1.3-py_0.tar.bz2#1430ccd983ae6b161e2fbf4377965f7a
 https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.1-py36h5fab9bb_4.tar.bz2#6919ca2c4ddec0166a900910d54ded67
 https://conda.anaconda.org/conda-forge/noarch/ipywidgets-7.6.3-pyhd3deb0d_0.tar.bz2#536a9ed6d9e740f2b83d1a3c388e4388
diff --git a/repo2docker/buildpacks/conda/environment.py-3.6.yml b/repo2docker/buildpacks/conda/environment.py-3.6.yml
index c14f6425..19496222 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.6.yml
+++ b/repo2docker/buildpacks/conda/environment.py-3.6.yml
@@ -1,9 +1,10 @@
 # AUTO GENERATED FROM environment.yml, DO NOT MANUALLY MODIFY
-# Generated on 2021-10-06 07:32:48 UTC
+# Generated on 2021-11-19 16:44:48 UTC
 channels:
 - conda-forge
 dependencies:
 - python=3.6.*
+- nodejs=14
 - pip
 - ipywidgets==7.6.3
 - jupyter-offlinenotebook==0.2.1
diff --git a/repo2docker/buildpacks/conda/environment.py-3.7.lock b/repo2docker/buildpacks/conda/environment.py-3.7.lock
index b697f644..b288e278 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.7.lock
+++ b/repo2docker/buildpacks/conda/environment.py-3.7.lock
@@ -1,21 +1,24 @@
 # AUTO GENERATED FROM environment.py-3.7.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:33:42 UTC
+# Frozen on 2021-11-19 16:46:33 UTC
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: e916b3483f9a6a858e8e836b294a35ef667c4f7b74b486b5d22621b93a0b9cbb
+# input_hash: 41b478a8978809c96135bfa6946052e3c54f665b76627c7aa4d5e2b64543dcfb
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.14.2-h7f98852_0.tar.bz2#036a4ef13793d1bd771090b49c4c2550
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.16.1-h7f98852_0.tar.bz2#41f9f702c158189327a80fbeb108b172
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.17.2-h7f98852_0.tar.bz2#a25871010e5104556045aa01850fbddf
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.18.1-h7f98852_0.tar.bz2#f26ef8098fab1f719c91eb760d63381a
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2#6618c9b191638993f2a818c6529e1b49
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-h516909a_1.tar.bz2#6f8720dff19e17ce5d48cfe7f3d2f0a3
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h9c3ff4c_4.tar.bz2#dea515312db9d4788e52c2edfc657635
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h7f98852_5.tar.bz2#d645c6d2ac96843a2bfaccd2d62b3ac3
+https://conda.anaconda.org/conda-forge/linux-64/libnsl-2.0.0-h7f98852_0.tar.bz2#39b1328babf85c7c3a61636d9cd50206
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.18-h36c2ea0_1.tar.bz2#c3788462a6fbddafdb413a9f9053e58d
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2#5b3e8d9da3e6a68a0e945c37eef6b472
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
 https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2#509f2a21c4a09214cd737a480dfd80c9
 https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2#de7b38a1542dbe6f41653a8ae71adc53
@@ -26,10 +29,11 @@ https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.3.4-h9c3ff4c_1.tar.bz2#
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz2#cf7190238072a41e9579e4476a6a60b8
 https://conda.anaconda.org/conda-forge/linux-64/libnghttp2-1.43.0-h812cca2_1.tar.bz2#d0a7846b7b3b8fb0d8b36904a53b8155
 https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.10.0-ha56f1ee_2.tar.bz2#6ab4eaa11ff01801cffca0a27489dc04
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2#e6e81754fbab03fcc3cde8aff8545467
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
-https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_2.tar.bz2#2094cf6b08a571cecf7fa332152e6461
-https://conda.anaconda.org/conda-forge/linux-64/python-3.7.10-hb7a2778_102_cpython.tar.bz2#67ddb126f309b101e57da5cfe8741959
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_3.tar.bz2#e29650992ae593bc05fc93722483e5c3
+https://conda.anaconda.org/conda-forge/linux-64/python-3.7.12-hb7a2778_100_cpython.tar.bz2#2d94b3e6a9fdaf83f6955d008c8011a7
 https://conda.anaconda.org/conda-forge/noarch/async_generator-1.10-py_0.tar.bz2#d56c596e61b1c4952acf0a9920856c12
 https://conda.anaconda.org/conda-forge/noarch/attrs-21.2.0-pyhd8ed1ab_0.tar.bz2#d2e1c7f388ac403df7079b411c37cc50
 https://conda.anaconda.org/conda-forge/noarch/backcall-0.2.0-pyh9f0ad1d_0.tar.bz2#6006a6d08a3fa99268a2681c7fb55213
@@ -38,76 +42,76 @@ https://conda.anaconda.org/conda-forge/noarch/blinker-1.4-py_1.tar.bz2#fa509a091
 https://conda.anaconda.org/conda-forge/noarch/charset-normalizer-2.0.0-pyhd8ed1ab_0.tar.bz2#4a57e24d5b759893615c05926b7b5fb9
 https://conda.anaconda.org/conda-forge/noarch/decorator-5.1.0-pyhd8ed1ab_0.tar.bz2#71b13ba2e0efcff45646f05d619534b0
 https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.7.1-pyhd8ed1ab_0.tar.bz2#961b3a227b437d82ad7054484cfa71b2
+https://conda.anaconda.org/conda-forge/noarch/entrypoints-0.3-pyhd8ed1ab_1003.tar.bz2#bbf9a201f6ce99a506f4955374d9a9f4
 https://conda.anaconda.org/conda-forge/noarch/idna-3.1-pyhd3deb0d_0.tar.bz2#9c9aea4b8391264477df484f798562d0
 https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/json5-0.9.5-pyh9f0ad1d_0.tar.bz2#10759827a94e6b14996e81fb002c0bda
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2#eaff56fe28d1236076aa3bb13c35b434
-https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.79.1-h2574ce0_1.tar.bz2#7df45d44314d8ed15453dbe9f6c125db
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.80.0-h2574ce0_0.tar.bz2#5d0784b790350f7939bb5d3f2c32e700
 https://conda.anaconda.org/conda-forge/noarch/nest-asyncio-1.5.1-pyhd8ed1ab_0.tar.bz2#47a51a5b8f9cc41004c8d7bd88b62447
 https://conda.anaconda.org/conda-forge/noarch/pamela-1.0.0-py_0.tar.bz2#36f6f18d2f3ae0c93d77a9dbedad08c3
 https://conda.anaconda.org/conda-forge/noarch/pandocfilters-1.5.0-pyhd8ed1ab_0.tar.bz2#457c2c8c08e54905d6954e79cb5b5db9
 https://conda.anaconda.org/conda-forge/noarch/parso-0.8.2-pyhd8ed1ab_0.tar.bz2#fb40b157bd62b457a1cc82527b63f0b0
-https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.11.0-pyhd8ed1ab_0.tar.bz2#01f530bf82d9f589c2087b8c347d5e29
+https://conda.anaconda.org/conda-forge/noarch/pickleshare-0.7.5-py_1003.tar.bz2#415f0ebb6198cc2801c73438a9fb5761
+https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.12.0-pyhd8ed1ab_0.tar.bz2#d7b366cccdf2c1e8ebdddbfff7c2ba00
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
-https://conda.anaconda.org/conda-forge/noarch/pycparser-2.20-pyh9f0ad1d_2.tar.bz2#aa798d50ffd182a0f6f31478c7f434f6
-https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.1.0-pyhd8ed1ab_0.tar.bz2#c602e093a43beb74210362e983584666
-https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.7-pyh9f0ad1d_0.tar.bz2#626c4f20d5bf06dcec9cf2eaa31725c7
+https://conda.anaconda.org/conda-forge/noarch/pycparser-2.21-pyhd8ed1ab_0.tar.bz2#076becd9e05608f8dc72757d5f3a91ff
+https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.3.0-pyhd8ed1ab_0.tar.bz2#4eb3e2f2732ec43c569fe26f96c490f5
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-3.0.6-pyhd8ed1ab_0.tar.bz2#3087df8c636c5a00e694605c39ce4982
 https://conda.anaconda.org/conda-forge/noarch/python-json-logger-2.0.1-pyh9f0ad1d_0.tar.bz2#aed452f2f9f8bc8b2b0c412975051b5b
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-3.7-2_cp37m.tar.bz2#afff88bf9a7048da740c70aeb8cdbb82
 https://conda.anaconda.org/conda-forge/noarch/pytz-2021.3-pyhd8ed1ab_0.tar.bz2#7e4f811bff46a5a6a7e0094921389395
 https://conda.anaconda.org/conda-forge/noarch/send2trash-1.8.0-pyhd8ed1ab_0.tar.bz2#edab14119efe85c3bf131ad747e9005c
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/testpath-0.5.0-pyhd8ed1ab_0.tar.bz2#53b57d6a468bebc7cef1253b177a5e9e
-https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.0-pyhd8ed1ab_0.tar.bz2#f6ba1dcaac382d318901f44c0eb3dcb8
-https://conda.anaconda.org/conda-forge/noarch/typing_extensions-3.10.0.2-pyha770c72_0.tar.bz2#85dfd487a244bbe2cf7019ce8a39b5bc
+https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.1-pyhd8ed1ab_0.tar.bz2#a1bc9765ef9499760e88f568b3a6622c
+https://conda.anaconda.org/conda-forge/noarch/typing_extensions-4.0.0-pyha770c72_0.tar.bz2#867353d58b5967a994dd3cec85166ad8
 https://conda.anaconda.org/conda-forge/noarch/webencodings-0.5.1-py_1.tar.bz2#3563be4c5611a44210d9ba0c16113136
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
 https://conda.anaconda.org/conda-forge/noarch/zipp-3.6.0-pyhd8ed1ab_0.tar.bz2#855e2c4622f5eb50a4f6f7167b9ba17a
 https://conda.anaconda.org/conda-forge/noarch/babel-2.9.1-pyh44b312d_0.tar.bz2#74136ed39bfea0832d338df1e58d013e
-https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.5.30-py37h89c1867_0.tar.bz2#105f18ae8597a5f4d4e3188bcb06c796
-https://conda.anaconda.org/conda-forge/linux-64/cffi-1.14.6-py37h036bc23_1.tar.bz2#43cbbebef925c942310d814502323c63
-https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py37h89c1867_1.tar.bz2#f4fbd4721b80f0d6b53b3a3374914068
-https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.4.1-py37hcd2ae1e_0.tar.bz2#2fe9a412db79e302782f7ed9e18c02dd
-https://conda.anaconda.org/conda-forge/linux-64/entrypoints-0.3-py37hc8dfbb8_1002.tar.bz2#1d8fad3ab1118f88aada03a56efa93d8
-https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py37hcd2ae1e_0.tar.bz2#46690607252de1ec38dbf9e390ae1819
-https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.1-py37h89c1867_0.tar.bz2#6c71b2b82c7e5908e1077b932632b6cf
-https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.2.2-pyhd8ed1ab_0.tar.bz2#95f347313ca89b90b65ea5265051aea1
-https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.0-py37h89c1867_2.tar.bz2#5e95b453f199caec4dd1bf6002ae0ce2
-https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.8.1-py37h89c1867_0.tar.bz2#7fd03e4247346d69702ad89c726c96fe
-https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py37h5e8e339_0.tar.bz2#90ad307f6997784664de956e09ec689e
+https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.10.8-py37h89c1867_1.tar.bz2#48e8442b6097c7d4a0e3494c74ff9eeb
+https://conda.anaconda.org/conda-forge/linux-64/cffi-1.15.0-py37h036bc23_0.tar.bz2#05ab26c7685bcb7dd8bc8752c121f823
+https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py37h89c1867_2.tar.bz2#bc94a8fe45019ad331d8a936cd65210f
+https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.5.1-py37hcd2ae1e_0.tar.bz2#739a721301e47f42998af7bd51f0c42c
+https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py37hcd2ae1e_1.tar.bz2#f39576dbfb9a1067293d24f0e3b6bdda
+https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.2-py37h89c1867_0.tar.bz2#a62f2bad6654c1a91e3241ca7979fe05
+https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.4.0-pyhd8ed1ab_0.tar.bz2#9fb134dbabe7851a9d71411064b2c30d
+https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.1-py37h89c1867_0.tar.bz2#432446f7c13e1babe6bc05ba74d30f64
+https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.9.1-py37h89c1867_1.tar.bz2#95df6ebc6f4e8edd5d87aa99c59da605
+https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py37h5e8e339_1.tar.bz2#6c7c14c95d4c435b66261639b64c7c51
 https://conda.anaconda.org/conda-forge/noarch/matplotlib-inline-0.1.3-pyhd8ed1ab_0.tar.bz2#be3bfd435802d2c768c6b2439f325f3d
-https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py37h5e8e339_1004.tar.bz2#2a5b3879a9268d1cad576f36a6b41349
-https://conda.anaconda.org/conda-forge/noarch/packaging-21.0-pyhd8ed1ab_0.tar.bz2#45cfb8e482b5cce8f07c87e0e19a592c
-https://conda.anaconda.org/conda-forge/linux-64/pexpect-4.8.0-py37hc8dfbb8_1.tar.bz2#fda2ad946f9f5b7ce3531cc34ab262e9
-https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py37hc8dfbb8_1002.tar.bz2#14ce4d7ec7d9a22007168539135bc6d5
-https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py37h5e8e339_1.tar.bz2#2923250371b05e798f3732531cdb5300
-https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py37h88a64d2_0.tar.bz2#60e46ec940aea1198b559bd37c805243
-https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.17.3-py37h5e8e339_2.tar.bz2#829e0a0279d711a7b5aa67fe18c73672
-https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py37h89c1867_3.tar.bz2#bd069d59ee91a2e26552cd7bb4c64032
+https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py37h5e8e339_1005.tar.bz2#2dd7bedc3ea33c30cb9dcf93d64c10eb
+https://conda.anaconda.org/conda-forge/noarch/packaging-21.3-pyhd8ed1ab_0.tar.bz2#71f1ab2de48613876becddd496371c85
+https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
+https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py37h5e8e339_2.tar.bz2#01e107921a7431734b1120c720786a5f
+https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py37h88a64d2_1.tar.bz2#4e4c43ae76df275f09cffc5e63ae936d
+https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.18.0-py37h5e8e339_0.tar.bz2#69da29cfba0498d7d8dbcb323607d624
+https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py37h89c1867_4.tar.bz2#44df88d27e2891f90e3f06dcfcca0927
 https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.2-pyhd8ed1ab_0.tar.bz2#dd999d1cc9f79e67dbb855c8924c7984
-https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py37h336d617_0.tar.bz2#def88a6d73bb6a7c95418e341708f599
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.2-py37h5e8e339_2.tar.bz2#4211f3b208e9b1c87a5ccf34775f126b
-https://conda.anaconda.org/conda-forge/linux-64/setuptools-58.2.0-py37h89c1867_0.tar.bz2#df8adba0800b87a9232e801c70ec14d9
-https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py37h89c1867_1.tar.bz2#a48a71b3c0a40b5227056a7cb653d99d
-https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py37h5e8e339_1.tar.bz2#92449128c4639feae48d731ef2186099
-https://conda.anaconda.org/conda-forge/linux-64/websocket-client-0.57.0-py37h89c1867_4.tar.bz2#b7d10c52e3aaca152f4e16f90e40cd55
-https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.2-py37h89c1867_0.tar.bz2#badc1ab95ee9ff86e11d256dbfa44eb3
-https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-20.1.0-py37h5e8e339_2.tar.bz2#5403470dcc6211e0ad72077616e2519d
+https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py37h336d617_1.tar.bz2#6512cf886a870090430e2f37f41b652e
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.6-py37h5e8e339_0.tar.bz2#70ee31b43817f9fb7a46f76db99af94b
+https://conda.anaconda.org/conda-forge/linux-64/setuptools-59.1.1-py37h89c1867_0.tar.bz2#15ec7a4a7837f3514e77d170de54d01a
+https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py37h89c1867_2.tar.bz2#464124f171b89cb9b459f47f81cc0e84
+https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py37h5e8e339_2.tar.bz2#ec86ae00c96dea5f2d810957a8fabc26
+https://conda.anaconda.org/conda-forge/linux-64/websocket-client-1.2.1-py37h89c1867_0.tar.bz2#1c7a6c273159dea8686eb52ed81ff68c
+https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.4-py37h89c1867_1.tar.bz2#2005be2785f0d7c3969a72bce8282829
+https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-21.1.0-py37h5e8e339_2.tar.bz2#df7a91ae586dd41d30bfc1b775b9eb6c
 https://conda.anaconda.org/conda-forge/noarch/backports.functools_lru_cache-1.6.4-pyhd8ed1ab_0.tar.bz2#c5b3edc62d6309088f4970b3eaaa65a6
 https://conda.anaconda.org/conda-forge/noarch/bleach-4.1.0-pyhd8ed1ab_0.tar.bz2#4a2104c7b22c222bd0fe03aaef12862c
-https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py37h5e8e339_1001.tar.bz2#871eed4ba322e7b3f200956a096b34e7
-https://conda.anaconda.org/conda-forge/linux-64/cryptography-3.4.7-py37h5d9358c_0.tar.bz2#d811fb6a96ae0cf8c0a17457a8e67ff4
-https://conda.anaconda.org/conda-forge/noarch/importlib_metadata-4.8.1-hd8ed1ab_0.tar.bz2#ce811c521c3a02d7c8ace1cfbd2a0bcd
-https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.1-pyhd8ed1ab_0.tar.bz2#c647e77921fd3e245cdcc5b2d451a0f8
-https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.0.1-pyhd8ed1ab_0.tar.bz2#e51c302441bad8d2fbba17e1e23eac24
+https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py37h5e8e339_1003.tar.bz2#4ad2e74470a3c08b0f6d59699f0d9a32
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-35.0.0-py37hf1a17b8_2.tar.bz2#638fb6eead87605f7639d9ee222ff4c0
+https://conda.anaconda.org/conda-forge/noarch/importlib_metadata-4.8.2-hd8ed1ab_0.tar.bz2#4fcc9776fdf4c35c5a10662bbbd21a61
+https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.3-pyhd8ed1ab_0.tar.bz2#036d872c653780cb26e797e2e2f61b4c
+https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.2.1-pyhd8ed1ab_0.tar.bz2#0a4d10a794fc48016d8d0453365180ad
 https://conda.anaconda.org/conda-forge/noarch/jupyter_client-7.0.6-pyhd8ed1ab_0.tar.bz2#bad4522cf4a022cb5500969ad67c3342
-https://conda.anaconda.org/conda-forge/noarch/mako-1.1.5-pyhd8ed1ab_0.tar.bz2#e8f5f27557d8a0f6c4ed9950cd622e50
-https://conda.anaconda.org/conda-forge/noarch/pip-21.2.4-pyhd8ed1ab_0.tar.bz2#4104ada314dd5639ea36cc12bce0a2cd
+https://conda.anaconda.org/conda-forge/noarch/mako-1.1.6-pyhd8ed1ab_0.tar.bz2#cb952a55037148f6a5ddd9770ee1384f
+https://conda.anaconda.org/conda-forge/noarch/pip-21.3.1-pyhd8ed1ab_0.tar.bz2#e4fe2a9af78ff11f1aced7e62128c6a8
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.10.0-pyhd8ed1ab_0.tar.bz2#32bcce837f1316f1c3208118b6c5e5fc
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.16-py37h5e8e339_0.tar.bz2#3022e8a511239bf6fb8a58eed0def135
-https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.25-py37h5e8e339_0.tar.bz2#a99762a92c0d402de973e5cec9da8632
-https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py37h89c1867_0.tar.bz2#b5731c592caa70ecc1363d60ce725243
-https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.3-pyhd8ed1ab_0.tar.bz2#e60694657bfb440e569d043dae99d111
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.17-py37h5e8e339_1.tar.bz2#ef560c87b050c6d270ad4c8ba7569e22
+https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.27-py37h5e8e339_0.tar.bz2#7038a00e1b5f511286008bf12901faf9
+https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py37h89c1867_1.tar.bz2#658fe17f1a35117ebfb063f3b023c884
+https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.5-pyhd8ed1ab_0.tar.bz2#1102908123392ffc63c01caea136b1d4
 https://conda.anaconda.org/conda-forge/noarch/argcomplete-1.12.3-pyhd8ed1ab_2.tar.bz2#b8152341fc3fc9880c6e1b9d188974e5
 https://conda.anaconda.org/conda-forge/noarch/jupyter_telemetry-0.1.0-pyhd8ed1ab_1.tar.bz2#bb9ebdb6d5aa2622484aff1faceee181
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_pygments-0.1.2-pyh9f0ad1d_0.tar.bz2#2cbd910890bb328e8959246a1e16fac7
@@ -116,23 +120,22 @@ https://conda.anaconda.org/conda-forge/noarch/oauthlib-3.1.1-pyhd8ed1ab_0.tar.bz
 https://conda.anaconda.org/conda-forge/noarch/pyopenssl-21.0.0-pyhd8ed1ab_0.tar.bz2#8c49efecb7dca466e18b06015e8c88ce
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.2.5-pyh9f0ad1d_2.tar.bz2#5266fcd697043c59621fda522b3d78ee
 https://conda.anaconda.org/conda-forge/noarch/certipy-0.1.3-py_0.tar.bz2#23486713ef5712923e7c57cae609b22e
-https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.4-pyhd8ed1ab_0.tar.bz2#66ea0ea89e4f657a8b85fa5bdfce60ac
-https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.20-pyha770c72_0.tar.bz2#98a90e847b48fc14b2d5b12e4884e8d4
+https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.9-pyhd8ed1ab_0.tar.bz2#21554dd9bbabff27ae87f715fee4d56c
+https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.22-pyha770c72_0.tar.bz2#a749a230f0d950eae1dedf13ff344b15
 https://conda.anaconda.org/conda-forge/noarch/urllib3-1.26.7-pyhd8ed1ab_0.tar.bz2#be75bab4820a56f77ba1a3fc9139c36a
-https://conda.anaconda.org/conda-forge/linux-64/ipython-7.28.0-py37h6531663_0.tar.bz2#2a75abe115faed053577f8b680a90f46
+https://conda.anaconda.org/conda-forge/linux-64/ipython-7.29.0-py37h6531663_2.tar.bz2#7bb990d377b5d8387808dca0db83d503
 https://conda.anaconda.org/conda-forge/linux-64/nbconvert-6.0.7-py37h89c1867_3.tar.bz2#aa3710e0a8a44d7c7313b37775018446
 https://conda.anaconda.org/conda-forge/noarch/requests-2.26.0-pyhd8ed1ab_0.tar.bz2#0ed2ccbde6db9dd5789068eb7194463f
-https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.4.1-py37h6531663_0.tar.bz2#6d07659dabaeadc3b575dfd041852f19
+https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.5.0-py37h6531663_1.tar.bz2#cf0451e30d11eea3af1a5114bd55d603
+https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.2-pyhd8ed1ab_0.tar.bz2#f14d0f526177445a4de21dc878d21b31
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-base-1.4.2-py37h89c1867_0.tar.bz2#a61ccf7a9c83522c9b869816bb041a4c
-https://conda.anaconda.org/conda-forge/noarch/requests-unixsocket-0.2.0-py_0.tar.bz2#1e94a233d2f2c81b2bf11bd43a515fbe
-https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.1-pyhd8ed1ab_0.tar.bz2#8861413be89425f2c32ec15ad098aeb5
-https://conda.anaconda.org/conda-forge/linux-64/notebook-6.3.0-py37h89c1867_0.tar.bz2#76f65d90332854acdbd6fa16db92bdde
-https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
 https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
-https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py37h89c1867_0.tar.bz2#fb8151960fce2c583c7d1eaf6d4a178a
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
-https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.2-pyhd8ed1ab_0.tar.bz2#289b4ac8e8ce489d747ef9e4d5e1d4d2
+https://conda.anaconda.org/conda-forge/noarch/notebook-6.3.0-pyha770c72_1.tar.bz2#6a53111a5a62d32abfa21aac8fc55a1b
+https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
+https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py37h89c1867_0.tar.bz2#fb8151960fce2c583c7d1eaf6d4a178a
+https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.4-pyhd8ed1ab_0.tar.bz2#e21efe42d229d4b8a42ae4aa08ac4198
 https://conda.anaconda.org/conda-forge/noarch/nteract_on_jupyter-2.1.3-py_0.tar.bz2#1430ccd983ae6b161e2fbf4377965f7a
-https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.1-py37h89c1867_4.tar.bz2#274af17d64191a15d3899d5fdc4abc02
+https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.2-py37h89c1867_1.tar.bz2#deaf685ad832b287439250b4ff35f64d
 https://conda.anaconda.org/conda-forge/noarch/ipywidgets-7.6.3-pyhd3deb0d_0.tar.bz2#536a9ed6d9e740f2b83d1a3c388e4388
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab-3.1.17-pyhd8ed1ab_0.tar.bz2#22bf1d0a87a7015dc51140372ea950fa
diff --git a/repo2docker/buildpacks/conda/environment.py-3.7.yml b/repo2docker/buildpacks/conda/environment.py-3.7.yml
index 8bd2dc81..b393a654 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.7.yml
+++ b/repo2docker/buildpacks/conda/environment.py-3.7.yml
@@ -1,9 +1,10 @@
 # AUTO GENERATED FROM environment.yml, DO NOT MANUALLY MODIFY
-# Generated on 2021-10-06 07:33:22 UTC
+# Generated on 2021-11-19 16:45:40 UTC
 channels:
 - conda-forge
 dependencies:
 - python=3.7.*
+- nodejs=14
 - pip
 - ipywidgets==7.6.3
 - jupyter-offlinenotebook==0.2.1
diff --git a/repo2docker/buildpacks/conda/environment.py-3.8.lock b/repo2docker/buildpacks/conda/environment.py-3.8.lock
index 32d17732..d46c3866 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.8.lock
+++ b/repo2docker/buildpacks/conda/environment.py-3.8.lock
@@ -1,21 +1,24 @@
 # AUTO GENERATED FROM environment.py-3.8.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:34:05 UTC
+# Frozen on 2021-11-19 16:47:28 UTC
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: 1b7425281a129eb07cc2888bb7bfdd4a31be1be59d16df223bea0e704dc4af4b
+# input_hash: e29cb619427a27737b2422a9a3453e3fd2a8112b4df6202ac96f418caaa11013
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.14.2-h7f98852_0.tar.bz2#036a4ef13793d1bd771090b49c4c2550
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.16.1-h7f98852_0.tar.bz2#41f9f702c158189327a80fbeb108b172
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.17.2-h7f98852_0.tar.bz2#a25871010e5104556045aa01850fbddf
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.18.1-h7f98852_0.tar.bz2#f26ef8098fab1f719c91eb760d63381a
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2#6618c9b191638993f2a818c6529e1b49
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-h516909a_1.tar.bz2#6f8720dff19e17ce5d48cfe7f3d2f0a3
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h9c3ff4c_4.tar.bz2#dea515312db9d4788e52c2edfc657635
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h7f98852_5.tar.bz2#d645c6d2ac96843a2bfaccd2d62b3ac3
+https://conda.anaconda.org/conda-forge/linux-64/libnsl-2.0.0-h7f98852_0.tar.bz2#39b1328babf85c7c3a61636d9cd50206
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.18-h36c2ea0_1.tar.bz2#c3788462a6fbddafdb413a9f9053e58d
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2#5b3e8d9da3e6a68a0e945c37eef6b472
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
 https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2#509f2a21c4a09214cd737a480dfd80c9
 https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2#de7b38a1542dbe6f41653a8ae71adc53
@@ -26,10 +29,11 @@ https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.3.4-h9c3ff4c_1.tar.bz2#
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz2#cf7190238072a41e9579e4476a6a60b8
 https://conda.anaconda.org/conda-forge/linux-64/libnghttp2-1.43.0-h812cca2_1.tar.bz2#d0a7846b7b3b8fb0d8b36904a53b8155
 https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.10.0-ha56f1ee_2.tar.bz2#6ab4eaa11ff01801cffca0a27489dc04
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2#e6e81754fbab03fcc3cde8aff8545467
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
-https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_2.tar.bz2#2094cf6b08a571cecf7fa332152e6461
-https://conda.anaconda.org/conda-forge/linux-64/python-3.8.12-hb7a2778_1_cpython.tar.bz2#775bb3a23a9b1b529e0cd06bd0091adf
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_3.tar.bz2#e29650992ae593bc05fc93722483e5c3
+https://conda.anaconda.org/conda-forge/linux-64/python-3.8.12-hb7a2778_2_cpython.tar.bz2#148ea076514259c7f562fbfba956a693
 https://conda.anaconda.org/conda-forge/noarch/async_generator-1.10-py_0.tar.bz2#d56c596e61b1c4952acf0a9920856c12
 https://conda.anaconda.org/conda-forge/noarch/attrs-21.2.0-pyhd8ed1ab_0.tar.bz2#d2e1c7f388ac403df7079b411c37cc50
 https://conda.anaconda.org/conda-forge/noarch/backcall-0.2.0-pyh9f0ad1d_0.tar.bz2#6006a6d08a3fa99268a2681c7fb55213
@@ -38,74 +42,74 @@ https://conda.anaconda.org/conda-forge/noarch/blinker-1.4-py_1.tar.bz2#fa509a091
 https://conda.anaconda.org/conda-forge/noarch/charset-normalizer-2.0.0-pyhd8ed1ab_0.tar.bz2#4a57e24d5b759893615c05926b7b5fb9
 https://conda.anaconda.org/conda-forge/noarch/decorator-5.1.0-pyhd8ed1ab_0.tar.bz2#71b13ba2e0efcff45646f05d619534b0
 https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.7.1-pyhd8ed1ab_0.tar.bz2#961b3a227b437d82ad7054484cfa71b2
+https://conda.anaconda.org/conda-forge/noarch/entrypoints-0.3-pyhd8ed1ab_1003.tar.bz2#bbf9a201f6ce99a506f4955374d9a9f4
 https://conda.anaconda.org/conda-forge/noarch/idna-3.1-pyhd3deb0d_0.tar.bz2#9c9aea4b8391264477df484f798562d0
 https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/json5-0.9.5-pyh9f0ad1d_0.tar.bz2#10759827a94e6b14996e81fb002c0bda
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2#eaff56fe28d1236076aa3bb13c35b434
-https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.79.1-h2574ce0_1.tar.bz2#7df45d44314d8ed15453dbe9f6c125db
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.80.0-h2574ce0_0.tar.bz2#5d0784b790350f7939bb5d3f2c32e700
 https://conda.anaconda.org/conda-forge/noarch/nest-asyncio-1.5.1-pyhd8ed1ab_0.tar.bz2#47a51a5b8f9cc41004c8d7bd88b62447
 https://conda.anaconda.org/conda-forge/noarch/pamela-1.0.0-py_0.tar.bz2#36f6f18d2f3ae0c93d77a9dbedad08c3
 https://conda.anaconda.org/conda-forge/noarch/pandocfilters-1.5.0-pyhd8ed1ab_0.tar.bz2#457c2c8c08e54905d6954e79cb5b5db9
 https://conda.anaconda.org/conda-forge/noarch/parso-0.8.2-pyhd8ed1ab_0.tar.bz2#fb40b157bd62b457a1cc82527b63f0b0
-https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.11.0-pyhd8ed1ab_0.tar.bz2#01f530bf82d9f589c2087b8c347d5e29
+https://conda.anaconda.org/conda-forge/noarch/pickleshare-0.7.5-py_1003.tar.bz2#415f0ebb6198cc2801c73438a9fb5761
+https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.12.0-pyhd8ed1ab_0.tar.bz2#d7b366cccdf2c1e8ebdddbfff7c2ba00
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
-https://conda.anaconda.org/conda-forge/noarch/pycparser-2.20-pyh9f0ad1d_2.tar.bz2#aa798d50ffd182a0f6f31478c7f434f6
-https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.1.0-pyhd8ed1ab_0.tar.bz2#c602e093a43beb74210362e983584666
-https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.7-pyh9f0ad1d_0.tar.bz2#626c4f20d5bf06dcec9cf2eaa31725c7
+https://conda.anaconda.org/conda-forge/noarch/pycparser-2.21-pyhd8ed1ab_0.tar.bz2#076becd9e05608f8dc72757d5f3a91ff
+https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.3.0-pyhd8ed1ab_0.tar.bz2#4eb3e2f2732ec43c569fe26f96c490f5
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-3.0.6-pyhd8ed1ab_0.tar.bz2#3087df8c636c5a00e694605c39ce4982
 https://conda.anaconda.org/conda-forge/noarch/python-json-logger-2.0.1-pyh9f0ad1d_0.tar.bz2#aed452f2f9f8bc8b2b0c412975051b5b
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-3.8-2_cp38.tar.bz2#bfbb29d517281e78ac53e48d21e6e860
 https://conda.anaconda.org/conda-forge/noarch/pytz-2021.3-pyhd8ed1ab_0.tar.bz2#7e4f811bff46a5a6a7e0094921389395
 https://conda.anaconda.org/conda-forge/noarch/send2trash-1.8.0-pyhd8ed1ab_0.tar.bz2#edab14119efe85c3bf131ad747e9005c
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/testpath-0.5.0-pyhd8ed1ab_0.tar.bz2#53b57d6a468bebc7cef1253b177a5e9e
-https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.0-pyhd8ed1ab_0.tar.bz2#f6ba1dcaac382d318901f44c0eb3dcb8
+https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.1-pyhd8ed1ab_0.tar.bz2#a1bc9765ef9499760e88f568b3a6622c
 https://conda.anaconda.org/conda-forge/noarch/webencodings-0.5.1-py_1.tar.bz2#3563be4c5611a44210d9ba0c16113136
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
 https://conda.anaconda.org/conda-forge/noarch/zipp-3.6.0-pyhd8ed1ab_0.tar.bz2#855e2c4622f5eb50a4f6f7167b9ba17a
 https://conda.anaconda.org/conda-forge/noarch/babel-2.9.1-pyh44b312d_0.tar.bz2#74136ed39bfea0832d338df1e58d013e
-https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.5.30-py38h578d9bd_0.tar.bz2#a2e14464711f8e76010cd7e0c49bc4ae
-https://conda.anaconda.org/conda-forge/linux-64/cffi-1.14.6-py38h3931269_1.tar.bz2#01a5442b5cc3c7e901823fd70fb1aeb5
-https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py38h578d9bd_1.tar.bz2#9294a5e2c7545a2f67ac348aadd53344
-https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.4.1-py38h709712a_0.tar.bz2#beb94ee1004332a8553d6517ab461644
-https://conda.anaconda.org/conda-forge/linux-64/entrypoints-0.3-py38h32f6830_1002.tar.bz2#b76ac7f9e86b4169c3b3003dedd05e87
-https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py38h709712a_0.tar.bz2#2e1a9093fee4a01fe28605556b411fc9
-https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.1-py38h578d9bd_0.tar.bz2#2e668abea4a726f4a19941ddb8a3a9b6
-https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.2.2-pyhd8ed1ab_0.tar.bz2#95f347313ca89b90b65ea5265051aea1
-https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.0-py38h578d9bd_2.tar.bz2#6911600fda608a76bcb58e562457c696
-https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.8.1-py38h578d9bd_0.tar.bz2#65f7f2961b0c4f005a0a1540224f3b42
-https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py38h497a2fe_0.tar.bz2#d075babffd68330d81b0488a45435698
+https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.10.8-py38h578d9bd_1.tar.bz2#52a6cee65a5d10ed1c3f0af24fb48dd3
+https://conda.anaconda.org/conda-forge/linux-64/cffi-1.15.0-py38h3931269_0.tar.bz2#9c491a90ae11d08ca97326a0ed876f3a
+https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py38h578d9bd_2.tar.bz2#b1ac3204dde49f0d9ab8adce12676920
+https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.5.1-py38h709712a_0.tar.bz2#e4562edba9cf178746097668eaac5530
+https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py38h709712a_1.tar.bz2#dcf19dfc362c994575eb36e73c554902
+https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.2-py38h578d9bd_0.tar.bz2#01e29077412c806c0e5994de3b9710a5
+https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.4.0-pyhd8ed1ab_0.tar.bz2#9fb134dbabe7851a9d71411064b2c30d
+https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.1-py38h578d9bd_0.tar.bz2#84ca00ec7d71269b633546dc83e0b088
+https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.9.1-py38h578d9bd_1.tar.bz2#61eac1660d6bb75978662a457efe948b
+https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py38h497a2fe_1.tar.bz2#1ef7b5f4826ca48a15e2cd98a5c3436d
 https://conda.anaconda.org/conda-forge/noarch/matplotlib-inline-0.1.3-pyhd8ed1ab_0.tar.bz2#be3bfd435802d2c768c6b2439f325f3d
-https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py38h497a2fe_1004.tar.bz2#d01626bf0bcaec0c23e3e7834dea9a34
-https://conda.anaconda.org/conda-forge/noarch/packaging-21.0-pyhd8ed1ab_0.tar.bz2#45cfb8e482b5cce8f07c87e0e19a592c
-https://conda.anaconda.org/conda-forge/linux-64/pexpect-4.8.0-py38h32f6830_1.tar.bz2#da53534fe197ed435275df2c59043083
-https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py38h32f6830_1002.tar.bz2#7488e0d321c607bbe87ae6555cbc0f18
-https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py38h497a2fe_1.tar.bz2#3c465545aa3cec37f8f1341546677956
-https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py38h996a351_0.tar.bz2#352a0a3d80f26f84db92b80c0742e212
-https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.17.3-py38h497a2fe_2.tar.bz2#239e9357764e43276e8e80e65535b46f
-https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py38h578d9bd_3.tar.bz2#8284bab4783fd6fdd11b695958945614
+https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py38h497a2fe_1005.tar.bz2#e842470b42e2640e90a3a2e32729bc92
+https://conda.anaconda.org/conda-forge/noarch/packaging-21.3-pyhd8ed1ab_0.tar.bz2#71f1ab2de48613876becddd496371c85
+https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
+https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py38h497a2fe_2.tar.bz2#f2896db231103115b34bb2d0d22fba19
+https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py38h996a351_1.tar.bz2#782a335c4df1f9b00bea7b45ab18503b
+https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.18.0-py38h497a2fe_0.tar.bz2#632a5ae36837009218a49f0e15b7cb99
+https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py38h578d9bd_4.tar.bz2#9c4bbee6f682f2fc7d7803df3996e77e
 https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.2-pyhd8ed1ab_0.tar.bz2#dd999d1cc9f79e67dbb855c8924c7984
-https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py38h2035c66_0.tar.bz2#94a2c6a24a6e7bc51b2ff8d2a01d9b27
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.2-py38h497a2fe_2.tar.bz2#5637db1362aff1866921cfcd558065ab
-https://conda.anaconda.org/conda-forge/linux-64/setuptools-58.2.0-py38h578d9bd_0.tar.bz2#100c93168a364bf78120b862d6923ab4
-https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py38h578d9bd_1.tar.bz2#9d2f849149c1bcce8b74ecdfcff8d4c7
-https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py38h497a2fe_1.tar.bz2#e772c8383768280af283e814e2126663
-https://conda.anaconda.org/conda-forge/linux-64/websocket-client-0.57.0-py38h578d9bd_4.tar.bz2#4c59c0d3cc8efeb027b141db67c4fc56
-https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.2-py38h578d9bd_0.tar.bz2#a9a4320cc6137b715aa458247aff6f19
-https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-20.1.0-py38h497a2fe_2.tar.bz2#254bc9d931e9891ce1068eb0335700c1
+https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py38h2035c66_1.tar.bz2#3938fa672dbd1762f9134b2026aebadc
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.6-py38h497a2fe_0.tar.bz2#bfcfe5dc66dcc3793fdb439fd0e13788
+https://conda.anaconda.org/conda-forge/linux-64/setuptools-59.1.1-py38h578d9bd_0.tar.bz2#2a8ad6699d9691c5992ecf490703bec2
+https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py38h578d9bd_2.tar.bz2#f3551ed88243d9b21494571e3c10e049
+https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py38h497a2fe_2.tar.bz2#63b3b55c98b4239134e0be080f448944
+https://conda.anaconda.org/conda-forge/linux-64/websocket-client-1.2.1-py38h578d9bd_0.tar.bz2#8904fc7f1cfaa0b543ccc54b5f608d7d
+https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.4-py38h578d9bd_1.tar.bz2#03bc30d6bb84e98fb4a2e45a8a6c364b
+https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-21.1.0-py38h497a2fe_2.tar.bz2#c57b7301f7714525a4f4a8fbf05781b0
 https://conda.anaconda.org/conda-forge/noarch/backports.functools_lru_cache-1.6.4-pyhd8ed1ab_0.tar.bz2#c5b3edc62d6309088f4970b3eaaa65a6
 https://conda.anaconda.org/conda-forge/noarch/bleach-4.1.0-pyhd8ed1ab_0.tar.bz2#4a2104c7b22c222bd0fe03aaef12862c
-https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py38h497a2fe_1001.tar.bz2#56753dd777a6517b34966ddcb39af734
-https://conda.anaconda.org/conda-forge/linux-64/cryptography-3.4.7-py38ha5dfef3_0.tar.bz2#a8b014aba670157256dabdc885f71af4
-https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.1-pyhd8ed1ab_0.tar.bz2#c647e77921fd3e245cdcc5b2d451a0f8
-https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.0.1-pyhd8ed1ab_0.tar.bz2#e51c302441bad8d2fbba17e1e23eac24
+https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py38h497a2fe_1003.tar.bz2#9189b42c42b9c87b2b2068cbe31901a8
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-35.0.0-py38h3e25421_2.tar.bz2#ebb8cc9dcac756a087a3639e69a3ae26
+https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.3-pyhd8ed1ab_0.tar.bz2#036d872c653780cb26e797e2e2f61b4c
+https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.2.1-pyhd8ed1ab_0.tar.bz2#0a4d10a794fc48016d8d0453365180ad
 https://conda.anaconda.org/conda-forge/noarch/jupyter_client-7.0.6-pyhd8ed1ab_0.tar.bz2#bad4522cf4a022cb5500969ad67c3342
-https://conda.anaconda.org/conda-forge/noarch/mako-1.1.5-pyhd8ed1ab_0.tar.bz2#e8f5f27557d8a0f6c4ed9950cd622e50
-https://conda.anaconda.org/conda-forge/noarch/pip-21.2.4-pyhd8ed1ab_0.tar.bz2#4104ada314dd5639ea36cc12bce0a2cd
+https://conda.anaconda.org/conda-forge/noarch/mako-1.1.6-pyhd8ed1ab_0.tar.bz2#cb952a55037148f6a5ddd9770ee1384f
+https://conda.anaconda.org/conda-forge/noarch/pip-21.3.1-pyhd8ed1ab_0.tar.bz2#e4fe2a9af78ff11f1aced7e62128c6a8
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.10.0-pyhd8ed1ab_0.tar.bz2#32bcce837f1316f1c3208118b6c5e5fc
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.16-py38h497a2fe_0.tar.bz2#0a727cdb48a891535e971b87eae51518
-https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.25-py38h497a2fe_0.tar.bz2#7c644b91b1b22c20e4ddeabbae890064
-https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py38h578d9bd_0.tar.bz2#bc1b111d56025800eecdc04d0384bddd
-https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.3-pyhd8ed1ab_0.tar.bz2#e60694657bfb440e569d043dae99d111
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.17-py38h497a2fe_1.tar.bz2#24425d692f152e3f674cad2727d12737
+https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.27-py38h497a2fe_0.tar.bz2#6f1eb572f0a4acd8eb2a2887caf728fd
+https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py38h578d9bd_1.tar.bz2#7895939107a904267a9e5f9678c9b27f
+https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.5-pyhd8ed1ab_0.tar.bz2#1102908123392ffc63c01caea136b1d4
 https://conda.anaconda.org/conda-forge/noarch/jupyter_telemetry-0.1.0-pyhd8ed1ab_1.tar.bz2#bb9ebdb6d5aa2622484aff1faceee181
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_pygments-0.1.2-pyh9f0ad1d_0.tar.bz2#2cbd910890bb328e8959246a1e16fac7
 https://conda.anaconda.org/conda-forge/noarch/nbformat-5.1.3-pyhd8ed1ab_0.tar.bz2#bafa5df6d4f8db69a4d197b4657127e7
@@ -113,23 +117,22 @@ https://conda.anaconda.org/conda-forge/noarch/oauthlib-3.1.1-pyhd8ed1ab_0.tar.bz
 https://conda.anaconda.org/conda-forge/noarch/pyopenssl-21.0.0-pyhd8ed1ab_0.tar.bz2#8c49efecb7dca466e18b06015e8c88ce
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.2.5-pyh9f0ad1d_2.tar.bz2#5266fcd697043c59621fda522b3d78ee
 https://conda.anaconda.org/conda-forge/noarch/certipy-0.1.3-py_0.tar.bz2#23486713ef5712923e7c57cae609b22e
-https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.4-pyhd8ed1ab_0.tar.bz2#66ea0ea89e4f657a8b85fa5bdfce60ac
-https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.20-pyha770c72_0.tar.bz2#98a90e847b48fc14b2d5b12e4884e8d4
+https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.9-pyhd8ed1ab_0.tar.bz2#21554dd9bbabff27ae87f715fee4d56c
+https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.22-pyha770c72_0.tar.bz2#a749a230f0d950eae1dedf13ff344b15
 https://conda.anaconda.org/conda-forge/noarch/urllib3-1.26.7-pyhd8ed1ab_0.tar.bz2#be75bab4820a56f77ba1a3fc9139c36a
-https://conda.anaconda.org/conda-forge/linux-64/ipython-7.28.0-py38he5a9106_0.tar.bz2#031a254a82eeb5bb97b3060ec387fcc2
+https://conda.anaconda.org/conda-forge/linux-64/ipython-7.29.0-py38he5a9106_2.tar.bz2#0d35cb5d8c41ef8b12724c174c26421c
 https://conda.anaconda.org/conda-forge/linux-64/nbconvert-6.0.7-py38h578d9bd_3.tar.bz2#7d0922152b769b5489407f90e84562a6
 https://conda.anaconda.org/conda-forge/noarch/requests-2.26.0-pyhd8ed1ab_0.tar.bz2#0ed2ccbde6db9dd5789068eb7194463f
-https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.4.1-py38he5a9106_0.tar.bz2#4cda1a57a3219bf84c99dd3b2eae9cc3
+https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.5.0-py38he5a9106_1.tar.bz2#5ce28bf63e5193f051bc66e417b7cf7b
+https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.2-pyhd8ed1ab_0.tar.bz2#f14d0f526177445a4de21dc878d21b31
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-base-1.4.2-py38h578d9bd_0.tar.bz2#3525d4ef3ef2ca54bd7173b5d91a57af
-https://conda.anaconda.org/conda-forge/noarch/requests-unixsocket-0.2.0-py_0.tar.bz2#1e94a233d2f2c81b2bf11bd43a515fbe
-https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.1-pyhd8ed1ab_0.tar.bz2#8861413be89425f2c32ec15ad098aeb5
-https://conda.anaconda.org/conda-forge/linux-64/notebook-6.3.0-py38h578d9bd_0.tar.bz2#4adf7284501331a056f2d1a501570609
-https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
 https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
-https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py38h578d9bd_0.tar.bz2#1ec75ee653e8a5eeaf8ff2f73f8a774e
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
-https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.2-pyhd8ed1ab_0.tar.bz2#289b4ac8e8ce489d747ef9e4d5e1d4d2
+https://conda.anaconda.org/conda-forge/noarch/notebook-6.3.0-pyha770c72_1.tar.bz2#6a53111a5a62d32abfa21aac8fc55a1b
+https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
+https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py38h578d9bd_0.tar.bz2#1ec75ee653e8a5eeaf8ff2f73f8a774e
+https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.4-pyhd8ed1ab_0.tar.bz2#e21efe42d229d4b8a42ae4aa08ac4198
 https://conda.anaconda.org/conda-forge/noarch/nteract_on_jupyter-2.1.3-py_0.tar.bz2#1430ccd983ae6b161e2fbf4377965f7a
-https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.1-py38h578d9bd_4.tar.bz2#beb8a105545382ba138c81c926289b5b
+https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.2-py38h578d9bd_1.tar.bz2#65b76030f93500b2d2866404c9dc1ac9
 https://conda.anaconda.org/conda-forge/noarch/ipywidgets-7.6.3-pyhd3deb0d_0.tar.bz2#536a9ed6d9e740f2b83d1a3c388e4388
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab-3.1.17-pyhd8ed1ab_0.tar.bz2#22bf1d0a87a7015dc51140372ea950fa
diff --git a/repo2docker/buildpacks/conda/environment.py-3.8.yml b/repo2docker/buildpacks/conda/environment.py-3.8.yml
index 45397190..ff2ea023 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.8.yml
+++ b/repo2docker/buildpacks/conda/environment.py-3.8.yml
@@ -1,9 +1,10 @@
 # AUTO GENERATED FROM environment.yml, DO NOT MANUALLY MODIFY
-# Generated on 2021-10-06 07:33:42 UTC
+# Generated on 2021-11-19 16:46:33 UTC
 channels:
 - conda-forge
 dependencies:
 - python=3.8.*
+- nodejs=14
 - pip
 - ipywidgets==7.6.3
 - jupyter-offlinenotebook==0.2.1
diff --git a/repo2docker/buildpacks/conda/environment.py-3.9.lock b/repo2docker/buildpacks/conda/environment.py-3.9.lock
index 8d9057f1..5fca44e6 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.9.lock
+++ b/repo2docker/buildpacks/conda/environment.py-3.9.lock
@@ -1,22 +1,24 @@
 # AUTO GENERATED FROM environment.py-3.9.yml, DO NOT MANUALLY MODIFY
-# Frozen on 2021-10-06 07:34:26 UTC
+# Frozen on 2021-11-19 16:48:22 UTC
 # Generated by conda-lock.
 # platform: linux-64
-# input_hash: b5f1d3830efc370610ea8555a709b2d631ec78e2686563f54edd23491be06086
+# input_hash: d65099055e9fb5d52d79eb2f64c5f165008633dd322866c509e4e527c8090563
 @EXPLICIT
 https://conda.anaconda.org/conda-forge/linux-64/_libgcc_mutex-0.1-conda_forge.tar.bz2#d7c89558ba9fa0495403155b64376d81
-https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.5.30-ha878542_0.tar.bz2#6a777890e94194dc94a29a76d2a7e721
+https://conda.anaconda.org/conda-forge/linux-64/ca-certificates-2021.10.8-ha878542_0.tar.bz2#575611b8a84f45960e87722eeb51fa26
 https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.36.1-hea4e1c9_2.tar.bz2#bd4f2e711b39af170e7ff15163fe87ee
-https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_9.tar.bz2#a41b94921f55a353a8bbf5bb8d5ca335
-https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.14.2-h7f98852_0.tar.bz2#036a4ef13793d1bd771090b49c4c2550
-https://conda.anaconda.org/conda-forge/noarch/tzdata-2021c-he74cb21_0.tar.bz2#9b44c09d42c07672964f62aa688e07ea
-https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_9.tar.bz2#1090e28709184ec3d2f6ad6abd55fa31
+https://conda.anaconda.org/conda-forge/linux-64/libstdcxx-ng-11.2.0-he4da1e4_11.tar.bz2#0bf83958e788f1e75ba26154cb702afe
+https://conda.anaconda.org/conda-forge/linux-64/pandoc-2.16.1-h7f98852_0.tar.bz2#41f9f702c158189327a80fbeb108b172
+https://conda.anaconda.org/conda-forge/noarch/tzdata-2021e-he74cb21_0.tar.bz2#a751ec502589ebdc2eceb183ff602569
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-11.2.0-h1d223b6_11.tar.bz2#1d16527c76842bf9c41e9399d39d8097
 https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-1_gnu.tar.bz2#561e277319a41d4f24f5c05a9ef63c04
-https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_9.tar.bz2#84b1ec6f5b2d21968add479348515bba
-https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.17.2-h7f98852_0.tar.bz2#a25871010e5104556045aa01850fbddf
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-ng-11.2.0-h1d223b6_11.tar.bz2#e3495f4f93cfd6b68021cbe2b5844cd5
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.18.1-h7f98852_0.tar.bz2#f26ef8098fab1f719c91eb760d63381a
+https://conda.anaconda.org/conda-forge/linux-64/icu-68.2-h9c3ff4c_0.tar.bz2#6618c9b191638993f2a818c6529e1b49
 https://conda.anaconda.org/conda-forge/linux-64/libev-4.33-h516909a_1.tar.bz2#6f8720dff19e17ce5d48cfe7f3d2f0a3
-https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h9c3ff4c_4.tar.bz2#dea515312db9d4788e52c2edfc657635
+https://conda.anaconda.org/conda-forge/linux-64/libffi-3.4.2-h7f98852_5.tar.bz2#d645c6d2ac96843a2bfaccd2d62b3ac3
 https://conda.anaconda.org/conda-forge/linux-64/libsodium-1.0.18-h36c2ea0_1.tar.bz2#c3788462a6fbddafdb413a9f9053e58d
+https://conda.anaconda.org/conda-forge/linux-64/libuv-1.42.0-h7f98852_0.tar.bz2#5b3e8d9da3e6a68a0e945c37eef6b472
 https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.2.11-h36c2ea0_1013.tar.bz2#dcddf696ff5dfcab567100d691678e18
 https://conda.anaconda.org/conda-forge/linux-64/ncurses-6.2-h58526e2_4.tar.bz2#509f2a21c4a09214cd737a480dfd80c9
 https://conda.anaconda.org/conda-forge/linux-64/openssl-1.1.1l-h7f98852_0.tar.bz2#de7b38a1542dbe6f41653a8ae71adc53
@@ -27,9 +29,10 @@ https://conda.anaconda.org/conda-forge/linux-64/zeromq-4.3.4-h9c3ff4c_1.tar.bz2#
 https://conda.anaconda.org/conda-forge/linux-64/zlib-1.2.11-h36c2ea0_1013.tar.bz2#cf7190238072a41e9579e4476a6a60b8
 https://conda.anaconda.org/conda-forge/linux-64/libnghttp2-1.43.0-h812cca2_1.tar.bz2#d0a7846b7b3b8fb0d8b36904a53b8155
 https://conda.anaconda.org/conda-forge/linux-64/libssh2-1.10.0-ha56f1ee_2.tar.bz2#6ab4eaa11ff01801cffca0a27489dc04
+https://conda.anaconda.org/conda-forge/linux-64/nodejs-14.17.4-h92b4a50_0.tar.bz2#e6e81754fbab03fcc3cde8aff8545467
 https://conda.anaconda.org/conda-forge/linux-64/sqlite-3.36.0-h9cd32fc_2.tar.bz2#3588c2c6cb9f9bcc65b544ab1c715d60
 https://conda.anaconda.org/conda-forge/linux-64/tk-8.6.11-h27826a3_1.tar.bz2#84e76fb280e735fec1efd2d21fd9cb27
-https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_2.tar.bz2#2094cf6b08a571cecf7fa332152e6461
+https://conda.anaconda.org/conda-forge/linux-64/krb5-1.19.2-hcc1bbae_3.tar.bz2#e29650992ae593bc05fc93722483e5c3
 https://conda.anaconda.org/conda-forge/linux-64/python-3.9.7-hb7a2778_3_cpython.tar.bz2#ab54b978f6f24c485d22a80de0f66bf8
 https://conda.anaconda.org/conda-forge/noarch/async_generator-1.10-py_0.tar.bz2#d56c596e61b1c4952acf0a9920856c12
 https://conda.anaconda.org/conda-forge/noarch/attrs-21.2.0-pyhd8ed1ab_0.tar.bz2#d2e1c7f388ac403df7079b411c37cc50
@@ -39,74 +42,74 @@ https://conda.anaconda.org/conda-forge/noarch/blinker-1.4-py_1.tar.bz2#fa509a091
 https://conda.anaconda.org/conda-forge/noarch/charset-normalizer-2.0.0-pyhd8ed1ab_0.tar.bz2#4a57e24d5b759893615c05926b7b5fb9
 https://conda.anaconda.org/conda-forge/noarch/decorator-5.1.0-pyhd8ed1ab_0.tar.bz2#71b13ba2e0efcff45646f05d619534b0
 https://conda.anaconda.org/conda-forge/noarch/defusedxml-0.7.1-pyhd8ed1ab_0.tar.bz2#961b3a227b437d82ad7054484cfa71b2
+https://conda.anaconda.org/conda-forge/noarch/entrypoints-0.3-pyhd8ed1ab_1003.tar.bz2#bbf9a201f6ce99a506f4955374d9a9f4
 https://conda.anaconda.org/conda-forge/noarch/idna-3.1-pyhd3deb0d_0.tar.bz2#9c9aea4b8391264477df484f798562d0
 https://conda.anaconda.org/conda-forge/noarch/ipython_genutils-0.2.0-py_1.tar.bz2#5071c982548b3a20caf70462f04f5287
 https://conda.anaconda.org/conda-forge/noarch/json5-0.9.5-pyh9f0ad1d_0.tar.bz2#10759827a94e6b14996e81fb002c0bda
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_widgets-1.0.2-pyhd8ed1ab_0.tar.bz2#eaff56fe28d1236076aa3bb13c35b434
-https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.79.1-h2574ce0_1.tar.bz2#7df45d44314d8ed15453dbe9f6c125db
+https://conda.anaconda.org/conda-forge/linux-64/libcurl-7.80.0-h2574ce0_0.tar.bz2#5d0784b790350f7939bb5d3f2c32e700
 https://conda.anaconda.org/conda-forge/noarch/nest-asyncio-1.5.1-pyhd8ed1ab_0.tar.bz2#47a51a5b8f9cc41004c8d7bd88b62447
 https://conda.anaconda.org/conda-forge/noarch/pamela-1.0.0-py_0.tar.bz2#36f6f18d2f3ae0c93d77a9dbedad08c3
 https://conda.anaconda.org/conda-forge/noarch/pandocfilters-1.5.0-pyhd8ed1ab_0.tar.bz2#457c2c8c08e54905d6954e79cb5b5db9
 https://conda.anaconda.org/conda-forge/noarch/parso-0.8.2-pyhd8ed1ab_0.tar.bz2#fb40b157bd62b457a1cc82527b63f0b0
-https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.11.0-pyhd8ed1ab_0.tar.bz2#01f530bf82d9f589c2087b8c347d5e29
+https://conda.anaconda.org/conda-forge/noarch/pickleshare-0.7.5-py_1003.tar.bz2#415f0ebb6198cc2801c73438a9fb5761
+https://conda.anaconda.org/conda-forge/noarch/prometheus_client-0.12.0-pyhd8ed1ab_0.tar.bz2#d7b366cccdf2c1e8ebdddbfff7c2ba00
 https://conda.anaconda.org/conda-forge/noarch/ptyprocess-0.7.0-pyhd3deb0d_0.tar.bz2#359eeb6536da0e687af562ed265ec263
-https://conda.anaconda.org/conda-forge/noarch/pycparser-2.20-pyh9f0ad1d_2.tar.bz2#aa798d50ffd182a0f6f31478c7f434f6
-https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.1.0-pyhd8ed1ab_0.tar.bz2#c602e093a43beb74210362e983584666
-https://conda.anaconda.org/conda-forge/noarch/pyparsing-2.4.7-pyh9f0ad1d_0.tar.bz2#626c4f20d5bf06dcec9cf2eaa31725c7
+https://conda.anaconda.org/conda-forge/noarch/pycparser-2.21-pyhd8ed1ab_0.tar.bz2#076becd9e05608f8dc72757d5f3a91ff
+https://conda.anaconda.org/conda-forge/noarch/pyjwt-2.3.0-pyhd8ed1ab_0.tar.bz2#4eb3e2f2732ec43c569fe26f96c490f5
+https://conda.anaconda.org/conda-forge/noarch/pyparsing-3.0.6-pyhd8ed1ab_0.tar.bz2#3087df8c636c5a00e694605c39ce4982
 https://conda.anaconda.org/conda-forge/noarch/python-json-logger-2.0.1-pyh9f0ad1d_0.tar.bz2#aed452f2f9f8bc8b2b0c412975051b5b
 https://conda.anaconda.org/conda-forge/linux-64/python_abi-3.9-2_cp39.tar.bz2#39adde4247484de2bb4000122fdcf665
 https://conda.anaconda.org/conda-forge/noarch/pytz-2021.3-pyhd8ed1ab_0.tar.bz2#7e4f811bff46a5a6a7e0094921389395
 https://conda.anaconda.org/conda-forge/noarch/send2trash-1.8.0-pyhd8ed1ab_0.tar.bz2#edab14119efe85c3bf131ad747e9005c
 https://conda.anaconda.org/conda-forge/noarch/six-1.16.0-pyh6c4a22f_0.tar.bz2#e5f25f8dbc060e9a8d912e432202afc2
 https://conda.anaconda.org/conda-forge/noarch/testpath-0.5.0-pyhd8ed1ab_0.tar.bz2#53b57d6a468bebc7cef1253b177a5e9e
-https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.0-pyhd8ed1ab_0.tar.bz2#f6ba1dcaac382d318901f44c0eb3dcb8
+https://conda.anaconda.org/conda-forge/noarch/traitlets-5.1.1-pyhd8ed1ab_0.tar.bz2#a1bc9765ef9499760e88f568b3a6622c
 https://conda.anaconda.org/conda-forge/noarch/webencodings-0.5.1-py_1.tar.bz2#3563be4c5611a44210d9ba0c16113136
 https://conda.anaconda.org/conda-forge/noarch/wheel-0.37.0-pyhd8ed1ab_1.tar.bz2#3aa2c3e25dd361b453d010388b9cdff1
 https://conda.anaconda.org/conda-forge/noarch/zipp-3.6.0-pyhd8ed1ab_0.tar.bz2#855e2c4622f5eb50a4f6f7167b9ba17a
 https://conda.anaconda.org/conda-forge/noarch/babel-2.9.1-pyh44b312d_0.tar.bz2#74136ed39bfea0832d338df1e58d013e
-https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.5.30-py39hf3d152e_0.tar.bz2#7bbfaa3b8363bf8505d7f65e4e2e8a90
-https://conda.anaconda.org/conda-forge/linux-64/cffi-1.14.6-py39h4bc2ebd_1.tar.bz2#f37f029c3b2599386d3ba8fc1b29a8a0
-https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py39hf3d152e_1.tar.bz2#d0da429a3428ffcacaad25595b96a648
-https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.4.1-py39he80948d_0.tar.bz2#be6da332f0383972f000902f2edbaa9d
-https://conda.anaconda.org/conda-forge/linux-64/entrypoints-0.3-py39hde42818_1002.tar.bz2#dad6134fb73bfd57f9658c30c7296355
-https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py39he80948d_0.tar.bz2#de102f335f8982b395512993874190d5
-https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.1-py39hf3d152e_0.tar.bz2#3223ee559a24f841abc9826de097a7f9
-https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.2.2-pyhd8ed1ab_0.tar.bz2#95f347313ca89b90b65ea5265051aea1
-https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.0-py39hf3d152e_2.tar.bz2#cb9b5c105fb10e59bf5a263880735235
-https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.8.1-py39hf3d152e_0.tar.bz2#af36f877c9a5d7dade7b39c07ffafbb1
-https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py39h3811e60_0.tar.bz2#9233d63cfb05aa6536ab9e253bee9507
+https://conda.anaconda.org/conda-forge/linux-64/certifi-2021.10.8-py39hf3d152e_1.tar.bz2#67982d98030fde9139a64219dbe4db5e
+https://conda.anaconda.org/conda-forge/linux-64/cffi-1.15.0-py39h4bc2ebd_0.tar.bz2#f6191bf565dee581e77549d63737751c
+https://conda.anaconda.org/conda-forge/linux-64/chardet-4.0.0-py39hf3d152e_2.tar.bz2#8e507525679e851c2979ab25b1da1b6d
+https://conda.anaconda.org/conda-forge/linux-64/debugpy-1.5.1-py39he80948d_0.tar.bz2#111c5b430676182de0f0f038233ba3a4
+https://conda.anaconda.org/conda-forge/linux-64/greenlet-1.1.2-py39he80948d_1.tar.bz2#4b440bda7b4cca6303c6dd9c04cb9fc9
+https://conda.anaconda.org/conda-forge/linux-64/importlib-metadata-4.8.2-py39hf3d152e_0.tar.bz2#c99d085fb9beacd7679864876e97b4af
+https://conda.anaconda.org/conda-forge/noarch/importlib_resources-5.4.0-pyhd8ed1ab_0.tar.bz2#9fb134dbabe7851a9d71411064b2c30d
+https://conda.anaconda.org/conda-forge/linux-64/jedi-0.18.1-py39hf3d152e_0.tar.bz2#4a03392442a5ba884c186f25281ef8a1
+https://conda.anaconda.org/conda-forge/linux-64/jupyter_core-4.9.1-py39hf3d152e_1.tar.bz2#e9b6677fca1aa658d98deba00fb89267
+https://conda.anaconda.org/conda-forge/linux-64/markupsafe-2.0.1-py39h3811e60_1.tar.bz2#bba8fc0d724caa73a96220e48aac3b61
 https://conda.anaconda.org/conda-forge/noarch/matplotlib-inline-0.1.3-pyhd8ed1ab_0.tar.bz2#be3bfd435802d2c768c6b2439f325f3d
-https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py39h3811e60_1004.tar.bz2#941e3eeb31c5edba5b6c573f3bf41fa3
-https://conda.anaconda.org/conda-forge/noarch/packaging-21.0-pyhd8ed1ab_0.tar.bz2#45cfb8e482b5cce8f07c87e0e19a592c
+https://conda.anaconda.org/conda-forge/linux-64/mistune-0.8.4-py39h3811e60_1005.tar.bz2#95eb8cbf40bccdcb34888c9e56371570
+https://conda.anaconda.org/conda-forge/noarch/packaging-21.3-pyhd8ed1ab_0.tar.bz2#71f1ab2de48613876becddd496371c85
 https://conda.anaconda.org/conda-forge/noarch/pexpect-4.8.0-pyh9f0ad1d_2.tar.bz2#5909e7b978141dd80d28dbf9de627827
-https://conda.anaconda.org/conda-forge/linux-64/pickleshare-0.7.5-py39hde42818_1002.tar.bz2#2dc9995512c80256532250a6fd616b14
-https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py39h3811e60_1.tar.bz2#29cb4c7769cc2a6e86cc13615e9b4a15
-https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py39h72e3413_0.tar.bz2#a9d879a1397a4e5bbd79f169f8fa7e29
-https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.17.3-py39h3811e60_2.tar.bz2#4ec88cc4b941bc447fd97cadd76e32de
-https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py39hf3d152e_3.tar.bz2#f7e7fdc66f2362bebc407f1ab7d10f63
+https://conda.anaconda.org/conda-forge/linux-64/psutil-5.8.0-py39h3811e60_2.tar.bz2#e8848835fcdc39313f3214a44d8a4e2a
+https://conda.anaconda.org/conda-forge/linux-64/pycurl-7.44.1-py39h72e3413_1.tar.bz2#f3fa6db2ea8983102beb98d87eb85c0b
+https://conda.anaconda.org/conda-forge/linux-64/pyrsistent-0.18.0-py39h3811e60_0.tar.bz2#8d38d839366d28d11fafc9d7021c32fc
+https://conda.anaconda.org/conda-forge/linux-64/pysocks-1.7.1-py39hf3d152e_4.tar.bz2#eed9d381f391cad4e96f697e8c74e929
 https://conda.anaconda.org/conda-forge/noarch/python-dateutil-2.8.2-pyhd8ed1ab_0.tar.bz2#dd999d1cc9f79e67dbb855c8924c7984
-https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py39h37b5a0c_0.tar.bz2#d12d8a39f21c9891768ba4d783d18cc9
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.2-py39h3811e60_2.tar.bz2#d7770c88f04155fcff2942a1ff750ff1
-https://conda.anaconda.org/conda-forge/linux-64/setuptools-58.2.0-py39hf3d152e_0.tar.bz2#48ce54090622fe6f7f74de598915a8d9
-https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py39hf3d152e_1.tar.bz2#a620158b380f03f82e8ceac1397270b7
-https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py39h3811e60_1.tar.bz2#763597c8b91b69789ab0f6002439c32b
-https://conda.anaconda.org/conda-forge/linux-64/websocket-client-0.57.0-py39hf3d152e_4.tar.bz2#d4b25baf59c9c67c47dc48ceabd1b750
-https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.2-py39hf3d152e_0.tar.bz2#5387a97cdb149f7d0dc15880f6c1f9ad
-https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-20.1.0-py39h3811e60_2.tar.bz2#9e69a6cedbffc71321daf4895b9db5bf
+https://conda.anaconda.org/conda-forge/linux-64/pyzmq-22.3.0-py39h37b5a0c_1.tar.bz2#90dbe11c01a89fc6fddb90cbe2672e68
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml.clib-0.2.6-py39h3811e60_0.tar.bz2#0f9bbd7b79db72e3bc9779432de26427
+https://conda.anaconda.org/conda-forge/linux-64/setuptools-59.1.1-py39hf3d152e_0.tar.bz2#244a9b317c98ebffafd291777083a91a
+https://conda.anaconda.org/conda-forge/linux-64/sniffio-1.2.0-py39hf3d152e_2.tar.bz2#591e48c37143ef758d6ba0da1cf10a6f
+https://conda.anaconda.org/conda-forge/linux-64/tornado-6.1-py39h3811e60_2.tar.bz2#5a7bb7af2f3bcf31ee6cd817de1d5011
+https://conda.anaconda.org/conda-forge/linux-64/websocket-client-1.2.1-py39hf3d152e_0.tar.bz2#e866fcc84919cc29cbe4e29484848946
+https://conda.anaconda.org/conda-forge/linux-64/anyio-3.3.4-py39hf3d152e_1.tar.bz2#082ae50d8b7855af30f38c2c6b202471
+https://conda.anaconda.org/conda-forge/linux-64/argon2-cffi-21.1.0-py39h3811e60_2.tar.bz2#6d5944bfc312325bececefe871806ca3
 https://conda.anaconda.org/conda-forge/noarch/backports.functools_lru_cache-1.6.4-pyhd8ed1ab_0.tar.bz2#c5b3edc62d6309088f4970b3eaaa65a6
 https://conda.anaconda.org/conda-forge/noarch/bleach-4.1.0-pyhd8ed1ab_0.tar.bz2#4a2104c7b22c222bd0fe03aaef12862c
-https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py39h3811e60_1001.tar.bz2#35ad78e61aec955783acfd00f3c6bcde
-https://conda.anaconda.org/conda-forge/linux-64/cryptography-3.4.7-py39hbca0aa6_0.tar.bz2#04e97f7d5c60f75a36b1e4bdf3652ebd
-https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.1-pyhd8ed1ab_0.tar.bz2#c647e77921fd3e245cdcc5b2d451a0f8
-https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.0.1-pyhd8ed1ab_0.tar.bz2#e51c302441bad8d2fbba17e1e23eac24
+https://conda.anaconda.org/conda-forge/linux-64/brotlipy-0.7.0-py39h3811e60_1003.tar.bz2#9b1975f772d5d8a398c34e539a7ea1a1
+https://conda.anaconda.org/conda-forge/linux-64/cryptography-35.0.0-py39h95dcef6_2.tar.bz2#1ec40ce04031414d34245391ae83455e
+https://conda.anaconda.org/conda-forge/noarch/jinja2-3.0.3-pyhd8ed1ab_0.tar.bz2#036d872c653780cb26e797e2e2f61b4c
+https://conda.anaconda.org/conda-forge/noarch/jsonschema-4.2.1-pyhd8ed1ab_0.tar.bz2#0a4d10a794fc48016d8d0453365180ad
 https://conda.anaconda.org/conda-forge/noarch/jupyter_client-7.0.6-pyhd8ed1ab_0.tar.bz2#bad4522cf4a022cb5500969ad67c3342
-https://conda.anaconda.org/conda-forge/noarch/mako-1.1.5-pyhd8ed1ab_0.tar.bz2#e8f5f27557d8a0f6c4ed9950cd622e50
-https://conda.anaconda.org/conda-forge/noarch/pip-21.2.4-pyhd8ed1ab_0.tar.bz2#4104ada314dd5639ea36cc12bce0a2cd
+https://conda.anaconda.org/conda-forge/noarch/mako-1.1.6-pyhd8ed1ab_0.tar.bz2#cb952a55037148f6a5ddd9770ee1384f
+https://conda.anaconda.org/conda-forge/noarch/pip-21.3.1-pyhd8ed1ab_0.tar.bz2#e4fe2a9af78ff11f1aced7e62128c6a8
 https://conda.anaconda.org/conda-forge/noarch/pygments-2.10.0-pyhd8ed1ab_0.tar.bz2#32bcce837f1316f1c3208118b6c5e5fc
-https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.16-py39h3811e60_0.tar.bz2#9deea133cdd90530091e26db39acfac4
-https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.25-py39h3811e60_0.tar.bz2#bae8784c930168588775f9d96feb8720
-https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py39hf3d152e_0.tar.bz2#2f849f79559879b397218ccb65082836
-https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.3-pyhd8ed1ab_0.tar.bz2#e60694657bfb440e569d043dae99d111
+https://conda.anaconda.org/conda-forge/linux-64/ruamel.yaml-0.17.17-py39h3811e60_1.tar.bz2#6fd23e1c8d856d02e49b172b442d19f7
+https://conda.anaconda.org/conda-forge/linux-64/sqlalchemy-1.4.27-py39h3811e60_0.tar.bz2#3b69c87505e213ab1529d99723dde1ab
+https://conda.anaconda.org/conda-forge/linux-64/terminado-0.12.1-py39hf3d152e_1.tar.bz2#3e73d7571460790b8487d03b630b970b
+https://conda.anaconda.org/conda-forge/noarch/alembic-1.7.5-pyhd8ed1ab_0.tar.bz2#1102908123392ffc63c01caea136b1d4
 https://conda.anaconda.org/conda-forge/noarch/jupyter_telemetry-0.1.0-pyhd8ed1ab_1.tar.bz2#bb9ebdb6d5aa2622484aff1faceee181
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_pygments-0.1.2-pyh9f0ad1d_0.tar.bz2#2cbd910890bb328e8959246a1e16fac7
 https://conda.anaconda.org/conda-forge/noarch/nbformat-5.1.3-pyhd8ed1ab_0.tar.bz2#bafa5df6d4f8db69a4d197b4657127e7
@@ -114,23 +117,22 @@ https://conda.anaconda.org/conda-forge/noarch/oauthlib-3.1.1-pyhd8ed1ab_0.tar.bz
 https://conda.anaconda.org/conda-forge/noarch/pyopenssl-21.0.0-pyhd8ed1ab_0.tar.bz2#8c49efecb7dca466e18b06015e8c88ce
 https://conda.anaconda.org/conda-forge/noarch/wcwidth-0.2.5-pyh9f0ad1d_2.tar.bz2#5266fcd697043c59621fda522b3d78ee
 https://conda.anaconda.org/conda-forge/noarch/certipy-0.1.3-py_0.tar.bz2#23486713ef5712923e7c57cae609b22e
-https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.4-pyhd8ed1ab_0.tar.bz2#66ea0ea89e4f657a8b85fa5bdfce60ac
-https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.20-pyha770c72_0.tar.bz2#98a90e847b48fc14b2d5b12e4884e8d4
+https://conda.anaconda.org/conda-forge/noarch/nbclient-0.5.9-pyhd8ed1ab_0.tar.bz2#21554dd9bbabff27ae87f715fee4d56c
+https://conda.anaconda.org/conda-forge/noarch/prompt-toolkit-3.0.22-pyha770c72_0.tar.bz2#a749a230f0d950eae1dedf13ff344b15
 https://conda.anaconda.org/conda-forge/noarch/urllib3-1.26.7-pyhd8ed1ab_0.tar.bz2#be75bab4820a56f77ba1a3fc9139c36a
-https://conda.anaconda.org/conda-forge/linux-64/ipython-7.28.0-py39hef51801_0.tar.bz2#65c72c04ddd3c85a76116a3eaec86edc
+https://conda.anaconda.org/conda-forge/linux-64/ipython-7.29.0-py39hef51801_2.tar.bz2#762f47ca78ca36534882fa76f4e58095
 https://conda.anaconda.org/conda-forge/linux-64/nbconvert-6.0.7-py39hf3d152e_3.tar.bz2#5f914e1113c7a926798c7659efbcd6a3
 https://conda.anaconda.org/conda-forge/noarch/requests-2.26.0-pyhd8ed1ab_0.tar.bz2#0ed2ccbde6db9dd5789068eb7194463f
-https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.4.1-py39hef51801_0.tar.bz2#7d8d57f6359342fb633e913c9876cfeb
+https://conda.anaconda.org/conda-forge/linux-64/ipykernel-6.5.0-py39hef51801_1.tar.bz2#69f91577fb3c31864984664e6c62568a
+https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.2-pyhd8ed1ab_0.tar.bz2#f14d0f526177445a4de21dc878d21b31
 https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-base-1.4.2-py39hf3d152e_0.tar.bz2#07d2be5eb6460d504a0291cb2aa8328a
-https://conda.anaconda.org/conda-forge/noarch/requests-unixsocket-0.2.0-py_0.tar.bz2#1e94a233d2f2c81b2bf11bd43a515fbe
-https://conda.anaconda.org/conda-forge/noarch/jupyter_server-1.11.1-pyhd8ed1ab_0.tar.bz2#8861413be89425f2c32ec15ad098aeb5
-https://conda.anaconda.org/conda-forge/linux-64/notebook-6.3.0-py39hf3d152e_0.tar.bz2#768afe25d9d82f590b8db716288c7259
-https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
 https://conda.anaconda.org/conda-forge/noarch/jupyter-resource-usage-0.6.0-pyhd8ed1ab_0.tar.bz2#db6c08b360baeacba755a78d0a1ecabb
-https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py39hf3d152e_0.tar.bz2#176c4f6b76330d7c6f8534640c6cc193
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab_server-2.8.2-pyhd8ed1ab_0.tar.bz2#c7891bb53fbb3911f4b526533314d63b
-https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.2-pyhd8ed1ab_0.tar.bz2#289b4ac8e8ce489d747ef9e4d5e1d4d2
+https://conda.anaconda.org/conda-forge/noarch/notebook-6.3.0-pyha770c72_1.tar.bz2#6a53111a5a62d32abfa21aac8fc55a1b
+https://conda.anaconda.org/conda-forge/noarch/jupyter-offlinenotebook-0.2.1-pyhd8ed1ab_0.tar.bz2#5e0974a4547a2b82667f65a6498c4145
+https://conda.anaconda.org/conda-forge/linux-64/jupyterhub-singleuser-1.4.2-py39hf3d152e_0.tar.bz2#176c4f6b76330d7c6f8534640c6cc193
+https://conda.anaconda.org/conda-forge/noarch/nbclassic-0.3.4-pyhd8ed1ab_0.tar.bz2#e21efe42d229d4b8a42ae4aa08ac4198
 https://conda.anaconda.org/conda-forge/noarch/nteract_on_jupyter-2.1.3-py_0.tar.bz2#1430ccd983ae6b161e2fbf4377965f7a
-https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.1-py39hf3d152e_4.tar.bz2#ae54c7d751b678c0021929892d598ecd
+https://conda.anaconda.org/conda-forge/linux-64/widgetsnbextension-3.5.2-py39hf3d152e_1.tar.bz2#26c83eb2efd87c9bbef958b9f7117559
 https://conda.anaconda.org/conda-forge/noarch/ipywidgets-7.6.3-pyhd3deb0d_0.tar.bz2#536a9ed6d9e740f2b83d1a3c388e4388
 https://conda.anaconda.org/conda-forge/noarch/jupyterlab-3.1.17-pyhd8ed1ab_0.tar.bz2#22bf1d0a87a7015dc51140372ea950fa
diff --git a/repo2docker/buildpacks/conda/environment.py-3.9.yml b/repo2docker/buildpacks/conda/environment.py-3.9.yml
index 8d1c7e56..a65f45f8 100644
--- a/repo2docker/buildpacks/conda/environment.py-3.9.yml
+++ b/repo2docker/buildpacks/conda/environment.py-3.9.yml
@@ -1,9 +1,10 @@
 # AUTO GENERATED FROM environment.yml, DO NOT MANUALLY MODIFY
-# Generated on 2021-10-06 07:34:05 UTC
+# Generated on 2021-11-19 16:47:28 UTC
 channels:
 - conda-forge
 dependencies:
 - python=3.9.*
+- nodejs=14
 - pip
 - ipywidgets==7.6.3
 - jupyter-offlinenotebook==0.2.1
diff --git a/repo2docker/buildpacks/conda/environment.yml b/repo2docker/buildpacks/conda/environment.yml
index 35d1b07d..352175aa 100644
--- a/repo2docker/buildpacks/conda/environment.yml
+++ b/repo2docker/buildpacks/conda/environment.yml
@@ -2,6 +2,7 @@ channels:
   - conda-forge
 dependencies:
   - python=3.7
+  - nodejs=14
   - pip
   - ipywidgets==7.6.3
   - jupyter-offlinenotebook==0.2.1
diff --git a/repo2docker/buildpacks/conda/install-miniforge.bash b/repo2docker/buildpacks/conda/install-miniforge.bash
index 3c99b6a0..3343378c 100755
--- a/repo2docker/buildpacks/conda/install-miniforge.bash
+++ b/repo2docker/buildpacks/conda/install-miniforge.bash
@@ -47,6 +47,7 @@ time mamba install -y mamba==${MAMBA_VERSION}
 echo "installing notebook env:"
 cat "${NB_ENVIRONMENT_FILE}"
 
+
 time mamba create -p ${NB_PYTHON_PREFIX} --file "${NB_ENVIRONMENT_FILE}"
 
 if [[ ! -z "${NB_REQUIREMENTS_FILE:-}" ]]; then
@@ -90,3 +91,6 @@ chown -R $NB_USER:$NB_USER ${CONDA_DIR}
 
 mamba list -n root
 mamba list -p ${NB_PYTHON_PREFIX}
+
+# Set NPM config
+${NB_PYTHON_PREFIX}/bin/npm config --global set prefix ${NPM_DIR}