diff --git a/requirements.txt b/requirements.txt
index 0b9f7f4..5921bf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==0.10.1
 Jinja2==2.7.3
 MarkupSafe==0.23
-Werkzeug==0.9.6
+Werkzeug==0.15.3
 gunicorn==19.0.0
 itsdangerous==0.24