diff --git a/requirements.txt b/requirements.txt
index 1cb22ee..c209f97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain==0.0.340
+langchain==0.1.11
 openai==1.3.5
 faiss-cpu==1.7.4
 tiktoken==0.5.1