diff --git a/requirements.txt b/requirements.txt
index 2999931..4dfbdf7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,6 +28,6 @@ pytz==2018.9
 six==1.12.0
 speaklater==1.3
 SQLAlchemy==1.2.18
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.11.1
 WTForms==2.2.1