diff --git a/requirements.txt b/requirements.txt
index 3e7b6d65..7bfadade 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -427,7 +427,7 @@ web.py==0.38
 webapp2==2.5.2
 WebOb==1.6.1
 WebTest==2.0.23
-Werkzeug==0.11.10
+Werkzeug==0.15.3
 wheezy.caching==0.1.114
 wheezy.core==0.1.140
 wheezy.html==0.1.147