diff --git a/web/requirements.txt b/web/requirements.txt
index 41d1794..7e52be0 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -4,7 +4,7 @@ Flask-Script==2.0.5
 Jinja2==2.9
 MarkupSafe==0.23
 SQLAlchemy==1.1.4
-Werkzeug==0.11.15
+Werkzeug==0.15.5
 gunicorn==19.6.0
 itsdangerous==0.24
 psycopg2==2.8.4