diff --git a/requirements.txt b/requirements.txt
index d639b50..d4dc9cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.10.1
 Jinja2==2.7.2
 MarkupSafe==0.18
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 gunicorn==18.0
 itsdangerous==0.23
 plivo==0.9.4