diff --git a/samples/index_tuning_sample/requirements.txt b/samples/index_tuning_sample/requirements.txt
index ea8cf480..5d02f63a 100644
--- a/samples/index_tuning_sample/requirements.txt
+++ b/samples/index_tuning_sample/requirements.txt
@@ -1,3 +1,3 @@
-langchain-community==0.4.1
+langchain-community==0.4.2
 langchain-google-cloud-sql-pg==0.15.0
 langchain-google-vertexai==3.2.3