diff --git a/samples/requirements.txt b/samples/requirements.txt
index 0cded642..8c775fb6 100644
--- a/samples/requirements.txt
+++ b/samples/requirements.txt
@@ -1,4 +1,4 @@
-google-cloud-aiplatform[reasoningengine,langchain]==1.134.0
+google-cloud-aiplatform[reasoningengine,langchain]==2.1.0
 google-cloud-resource-manager==1.16.0
 langchain-community==0.3.29
 langchain-google-cloud-sql-pg==0.15.0