diff --git a/requirements.txt b/requirements.txt
index b4f75f5..851d4f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ urllib3==1.22
 #virtualenv==16.0.0
 #virtualenv-clone==0.3.0
 websockets==3.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 win-inet-pton==1.0.1
 wincertstore==0.2
 yarg==0.1.9