diff --git a/app/requirements.txt b/app/requirements.txt
index 98db788..7142a8e 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -24,4 +24,4 @@ six==1.11.0
 SQLAlchemy==1.2.8
 urllib3==1.23
 visitor==0.1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3