diff --git a/backend/requirements.txt b/backend/requirements.txt
index 783e88cb..e9e07a61 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -8,7 +8,7 @@ certifi==2021.5.30
 charset-normalizer==2.0.3
 click==8.0.1
 fastapi==0.66.0
--e git+https://git@github.com/bugout-dev/moonstream.git@60e90219a8e24077a1ab046463775f837df5f03e#egg=moonstreamdb&subdirectory=db
+-e git+https://git@github.com/bugout-dev/moonstream.git@876c23aac10f07da700798f47c44797a4ae157bb#egg=moonstreamdb&subdirectory=db
 h11==0.12.0
 idna==3.2
 jmespath==0.10.0
diff --git a/crawlers/requirements.txt b/crawlers/requirements.txt
index 976fc0cc..748be495 100644
Binary files a/crawlers/requirements.txt and b/crawlers/requirements.txt differ
diff --git a/db/sample.env b/db/sample.env
index 26a947b2..cc7ab125 100644
--- a/db/sample.env
+++ b/db/sample.env
@@ -1 +1,2 @@
 export MOONSTREAM_DB_URI="<database_uri>"
+export MOONSTREAM_POOL_SIZE=0