diff --git a/requirements.txt b/requirements.txt
index ccd427b..075ac6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,4 +22,4 @@ six==1.12.0
 SQLAlchemy==1.2.17
 tzlocal==1.5.1
 urllib3==1.24.2
-Werkzeug==0.14.1
+Werkzeug==0.15.3