diff --git a/requirements.txt b/requirements.txt
index 64ca85cd..b69e9a72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 flask==0.12.2
-werkzeug==0.9.6
+werkzeug==0.15.3
 tornado==4.4.2
 PyYAML==3.11
 Flask-Login==0.4.1