diff --git a/requirements.txt b/requirements.txt
index 07e72ae..d94db89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ six==1.11.0
 SQLAlchemy==1.2.13
 urllib3==1.24.1
 visitor==0.1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1
 uWSGI==2.0.17