diff --git a/requirements.txt b/requirements.txt
index 4d6b502..6e6036a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.11.1
 Jinja2==2.8
 MarkupSafe==0.23
-Werkzeug==0.11.10
+Werkzeug==0.15.5
 click==6.6
 gunicorn==19.6.0
 itsdangerous==0.24