diff --git a/python/requirements.txt b/python/requirements.txt
index 504c5df..d1ec1e0 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.10.1
 Jinja2==2.7.1
 MarkupSafe==0.18
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 gevent==0.13.8
 gevent-websocket==0.3.6
 greenlet==0.4.1