diff --git a/dialogflow-cx/vpc-sc-demo/components/reverse_proxy_server/proxy-server-src/requirements-test.txt b/dialogflow-cx/vpc-sc-demo/components/reverse_proxy_server/proxy-server-src/requirements-test.txt
index 1e489cdc..86640d72 100644
--- a/dialogflow-cx/vpc-sc-demo/components/reverse_proxy_server/proxy-server-src/requirements-test.txt
+++ b/dialogflow-cx/vpc-sc-demo/components/reverse_proxy_server/proxy-server-src/requirements-test.txt
@@ -14,5 +14,5 @@
 
 pytest==7.4.0
 Flask==2.3.2
-werkzeug==2.3.7
+werkzeug==3.0.3
 types-Flask==1.1.6