diff --git a/Dockerfile b/Dockerfile
index e3b0c4f5..a480be8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ libexiv2-dev liblas-bin python-matplotlib libatlas-base-dev libgmp-dev libmpfr-d
 RUN apt-get remove libdc1394-22-dev
 RUN pip install --upgrade pip
 RUN pip install setuptools
-RUN pip install -U PyYAML exifread gpxpy xmltodict catkin-pkg appsettings https://github.com/OpenDroneMap/gippy/archive/v0.3.9.tar.gz
+RUN pip install -U PyYAML exifread gpxpy xmltodict catkin-pkg appsettings https://github.com/OpenDroneMap/gippy/archive/v0.3.9.tar.gz loky
 
 ENV PYTHONPATH="$PYTHONPATH:/code/SuperBuild/install/lib/python2.7/dist-packages"
 ENV PYTHONPATH="$PYTHONPATH:/code/SuperBuild/src/opensfm"
diff --git a/SuperBuild/cmake/External-OpenSfM.cmake b/SuperBuild/cmake/External-OpenSfM.cmake
index c359ff3b..abae32c9 100644
--- a/SuperBuild/cmake/External-OpenSfM.cmake
+++ b/SuperBuild/cmake/External-OpenSfM.cmake
@@ -8,8 +8,8 @@ ExternalProject_Add(${_proj_name}
   STAMP_DIR         ${_SB_BINARY_DIR}/stamp
   #--Download step--------------
   DOWNLOAD_DIR      ${SB_DOWNLOAD_DIR}
-  URL               https://github.com/mapillary/OpenSfM/archive/0a5a6f07b66088e9b63bddaf29bb8f49dd39f9e4.zip
-  URL_MD5           2ed2c4a31801ddd57740261aaaf97ac9
+  URL               https://github.com/mapillary/OpenSfM/archive/6536f7cd0bf026db158af96f1508ff8c0616e9be.zip
+  URL_MD5           588e2e6f26837cb053d668401a75200d
   #--Update/Patch step----------
   UPDATE_COMMAND    ""
   #--Configure step-------------
diff --git a/configure.sh b/configure.sh
index cf3b6763..e9ddb678 100755
--- a/configure.sh
+++ b/configure.sh
@@ -76,7 +76,8 @@ install() {
                         exifread \
                         gpxpy \
                         xmltodict \
-                        appsettings
+                        appsettings \
+                        loky
 
     echo "Installing CGAL dependencies"
     sudo apt-get install -y -qq libgmp-dev libmpfr-dev
diff --git a/core2.Dockerfile b/core2.Dockerfile
index 6d702aac..e300fbce 100644
--- a/core2.Dockerfile
+++ b/core2.Dockerfile
@@ -19,7 +19,7 @@ libexiv2-dev liblas-bin python-matplotlib libatlas-base-dev libgmp-dev libmpfr-d
 RUN apt-get remove libdc1394-22-dev
 RUN pip install --upgrade pip
 RUN pip install setuptools
-RUN pip install -U PyYAML exifread gpxpy xmltodict catkin-pkg appsettings https://github.com/OpenDroneMap/gippy/archive/v0.3.9.tar.gz
+RUN pip install -U PyYAML exifread gpxpy xmltodict catkin-pkg appsettings https://github.com/OpenDroneMap/gippy/archive/v0.3.9.tar.gz loky
 
 ENV PYTHONPATH="$PYTHONPATH:/code/SuperBuild/install/lib/python2.7/dist-packages"
 ENV PYTHONPATH="$PYTHONPATH:/code/SuperBuild/src/opensfm"