diff --git a/requirements.txt b/requirements.txt
index e121be0..6fc449f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,5 +34,5 @@ six==1.12.0
 stripe==2.21.0
 urllib3==1.24.1
 webassets==0.12.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1