diff --git a/backend/requirements.txt b/backend/requirements.txt
index 71229ab1..1bb3e5a9 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 Flask==2.2.2
-langchain==0.0.78
+langchain==0.0.246
 flask-cors==3.0.10
 requests==2.28.2
 python-dotenv==1.0.0