diff --git a/requirements.txt b/requirements.txt
index 2f8b025..f7402fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ MarkupSafe==0.23
 python-editor==1.0.1
 six==1.10.0
 SQLAlchemy==1.1.3
-Werkzeug==0.11.11
+Werkzeug==0.15.3
 WTForms==2.1
 MySQL-python==1.2.5
 gunicorn