diff --git a/requirements.txt b/requirements.txt
index c8b1777..403c823 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,5 +29,5 @@ six==1.11.0
 SQLAlchemy==1.1.15
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 WTForms==2.1