diff --git a/requirements.txt b/requirements.txt
index d601371..1ad5767 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ python-socketio==1.7.6
 requests>=2.20.0
 six==1.10.0
 urllib3==1.21.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3