diff --git a/requirements.txt b/requirements.txt
index 1d69bbb..ff2d571 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,6 +40,6 @@ sqlacodegen==1.1.6
 SQLAlchemy==1.2.5
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 win-unicode-console==0.5
 WTForms==2.1