diff --git a/requirements.txt b/requirements.txt
index 04cabd7..a96196c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ python-dateutil==2.7.3
 pytz==2018.5
 six==1.11.0
 SQLAlchemy==1.2.10
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 gunicorn==19.7.1
 psycopg2==2.7.3.2
 pymongo