diff --git a/requirements.txt b/requirements.txt
index 30b82248..f5d0212c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ xformers==0.0.23.post1
 transformers==4.37.2
 sentence_transformers==2.2.2
 langchain==0.0.354
+langchain-community==0.0.19
 langchain-experimental==0.0.47
 pydantic==1.10.13
 fschat==0.2.35