diff --git a/requirements.txt b/requirements.txt
index 736db1f..1cc8111 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.9
 Jinja2==2.6
 Twisted==12.2.0
-Werkzeug==0.8.3
+Werkzeug==0.15.3
 gevent==0.13.8
 greenlet==0.4.0
 hiredis==0.1.1