diff --git a/requirements.txt b/requirements.txt
index b6c15a3..020b73f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,4 @@ requests==2.18.3
 schedule==0.4.3
 SQLAlchemy==1.1.13
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3