diff --git a/requirements.txt b/requirements.txt
index 4ddacfe..dd5ee09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Mako==1.0.0
 MarkupSafe==0.23
 PyYAML==3.11
 SQLAlchemy==0.9.4
-Werkzeug==0.9.6
+Werkzeug==0.15.3
 alembic==0.6.5
 argparse==1.2.1
 docopt==0.4.0