diff --git a/backend/requirements.txt b/backend/requirements.txt
index 5a8f76c..b5c1735 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -13,3 +13,5 @@ pytest==7.4.4
 pytest-asyncio==0.23.4
 tiktoken==0.5.2
 python-multipart==0.0.6
+langchain==1.2.12
+langchain-openai==1.1.11