diff --git a/backend/requirements.txt b/backend/requirements.txt
index 553a0a8a..ad6d926a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -26,7 +26,7 @@ torch==1.11.0
 python-jose
 openai==0.27.2
 nltk==3.6.5
-langchain==0.0.218
+langchain==0.1.11
 sse_starlette==1.6.1
 ujson==4.2.0
 greenlet==1.1.2