diff --git a/requirements.txt b/requirements.txt
index 3a1fc7a..87793e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ trans==2.1.0
 twine==1.13.0
 typed-ast==1.1.1
 webencodings==0.5.1
-Werkzeug==0.15.3
+Werkzeug==0.16.0
 WTForms==2.2.1