diff --git a/requirements.txt b/requirements.txt
index c2b609f..399f9ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,4 +17,4 @@ python-engineio==3.8.2.post1
 python-socketio==1.9.0
 redis==2.10.6
 six==1.11.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5