diff --git a/python-postgres/web/requirements.txt b/python-postgres/web/requirements.txt
index 32b8beb..fcdd1f9 100644
--- a/python-postgres/web/requirements.txt
+++ b/python-postgres/web/requirements.txt
@@ -3,7 +3,7 @@ Flask-SQLAlchemy==2.0
 Jinja2==2.7.3
 MarkupSafe==0.23
 SQLAlchemy==0.9.9
-Werkzeug==0.10.4
+Werkzeug==0.15.3
 gunicorn==19.3.0
 itsdangerous==0.24
 psycopg2==2.6