diff --git a/requirements.txt b/requirements.txt
index 6e42ea2..16d9a32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -196,7 +196,7 @@ wcwidth==0.1.7
 webcolors==1.11.1
 webencodings==0.5.1
 websocket-client==0.57.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 win-inet-pton==1.1.0
 win-unicode-console==0.5
 wincertstore==0.2