diff --git a/requirements.txt b/requirements.txt
index ef77d00..8cf72b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,4 +17,4 @@ raven==6.4.0
 requests==2.18.4
 SQLAlchemy==1.1.15
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.13