diff --git a/requirements.txt b/requirements.txt
index 8dc3a7e..5465b43 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==2.2.5
 flask-marshmallow==0.15.0
 Flask-Migrate==4.0.4
 gradio==3.43.0
-langchain==0.0.312
+langchain==0.0.329
 langsmith==0.0.43
 llama-index==0.8.33
 numpy==1.24.0