diff --git a/requirements.txt b/requirements.txt
index bc5204e..311f495 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask-SQLAlchemy==0.16
 Jinja2==2.7
 MarkupSafe==0.18
 SQLAlchemy==0.8.2
-Werkzeug==0.9.1
+Werkzeug==0.15.5
 gunicorn==17.5
 itsdangerous==0.22
 wsgiref==0.1.2