diff --git a/requirements.txt b/requirements.txt
index 876e1ff..ea53e95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Jinja2==2.7.2
 Mako==0.9.1
 MarkupSafe==0.23
 SQLAlchemy==0.9.4
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 alembic==0.6.5
 gunicorn==18.0
 itsdangerous==0.24