diff --git a/Container/Docker-Hands-On/helloworld/requirements.txt b/Container/Docker-Hands-On/helloworld/requirements.txt
index 8ca2452..c9998e2 100644
--- a/Container/Docker-Hands-On/helloworld/requirements.txt
+++ b/Container/Docker-Hands-On/helloworld/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.0.2
 itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3