diff --git a/requirements.txt b/requirements.txt
index 93585ee..8706706 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,5 +11,5 @@ scikit-learn==1.2.0
 tenacity
 tiktoken==0.3.0
 llama-index==0.4.33
-langchain==0.0.129
+langchain==0.0.329
 faiss==1.5.3
\ No newline at end of file