diff --git a/requirements.txt b/requirements.txt
index 1d14ea0..198b7e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask-WTF==0.14.2
 Jinja2==2.10.1
 MarkupSafe==1.0
 WTForms==2.2.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 click==6.7
 gunicorn==19.9.0
 itsdangerous==0.24