diff --git a/source/sample/requirements.txt b/source/sample/requirements.txt
index dcbf7e5c..f458353b 100644
--- a/source/sample/requirements.txt
+++ b/source/sample/requirements.txt
@@ -1,4 +1,4 @@
-langchain==0.0.325
+langchain==0.0.329
 opensearch-py==2.2.0
 boto3==1.26.114
 botocore==1.29.140