diff --git a/requirements.txt b/requirements.txt
index 00fce54..f7bae1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,6 +32,6 @@ six==1.9.0
 SQLAlchemy==0.9.9
 termcolor==1.1.0
 transaction==1.4.3
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 zope.interface==4.1.2
 zope.sqlalchemy==0.7.6