diff --git a/requirements.txt b/requirements.txt
index d816499..ab3dc63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Jinja2==2.7.3
 MarkupSafe==0.23
 SQLAlchemy==0.9.0
 WTForms==1.0.5
-Werkzeug==0.10.1
+Werkzeug==0.15.3
 gevent==1.0.1
 greenlet==0.4.5
 gunicorn==19.2.1