diff --git a/requirements.txt b/requirements.txt
index 9d96448..e9bca7a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-Bootstrap==2.3.1-1
 Flask-PyMongo==0.2.1
 Jinja2==2.7
 MarkupSafe==0.17
-Werkzeug==0.8.3
+Werkzeug==0.15.3
 argparse==1.2.1
 pymongo==2.5.1
 simplejson==3.3.0