diff --git a/requirements.txt b/requirements.txt
index eb91bdb..f066ce4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ typed-ast==1.3.5
 urllib3==1.25.8
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 win-inet-pton==1.1.0
 wincertstore==0.2
 wrapt==1.11.1