diff --git a/app/api/requirements.txt b/app/api/requirements.txt
index 1715fbb..0e6c7aa 100644
--- a/app/api/requirements.txt
+++ b/app/api/requirements.txt
@@ -1,4 +1,4 @@
-langchain==0.0.157
+langchain==0.0.329
 uvicorn[standard]
 python-multipart
 psycopg2-binary