diff --git a/requirements.txt b/requirements.txt
index 9a6da91..f3143b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,6 +49,6 @@ tzlocal==1.5.1
 urllib3==1.22
 visitor==0.1.3
 w3lib==1.19.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1
 zope.interface==4.4.3