diff --git a/api-backend/requirements.txt b/api-backend/requirements.txt
index d9e6471..9adb930 100644
--- a/api-backend/requirements.txt
+++ b/api-backend/requirements.txt
@@ -4,7 +4,7 @@ gunicorn==19.9.0
 itsdangerous==1.1.0
 Jinja2==2.10
 MarkupSafe==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 Flask-PyMongo==2.3.0
 flask_restful
 pymongo