diff --git a/requirements.txt b/requirements.txt
index 8589b30b..43738491 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,3 +22,4 @@ msrest==0.7.1
 pinecone-client
 pinecone-datasets @ git+https://github.com/mrT23/pinecone-datasets.git@main
 loguru==0.7.2
+langchain==0.0.349