diff --git a/samples/requirements.txt b/samples/requirements.txt
index 529ac7d5..92d16e0a 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,5 +1,5 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.90.0
+google-cloud-aiplatform[reasoningengine,langchain]==1.97.0
 google-cloud-resource-manager==1.14.2
-langchain-community==0.3.27
-langchain-google-alloydb-pg==0.12.0
-langchain-google-vertexai==2.0.20
+langchain-community==0.3.31
+langchain-google-alloydb-pg==0.13.0
+langchain-google-vertexai==2.1.2