diff --git a/requirements.txt b/requirements.txt
index 5936510..8fe091e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ Mako==0.9.1
 MarkupSafe==0.18
 SQLAlchemy==0.9.1
 WTForms==1.0.5
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 alembic==0.6.4
 itsdangerous==0.23
 oauthlib==0.6.1