diff --git a/master/requirements.txt b/master/requirements.txt
index 5ca388e..09f65a5 100644
--- a/master/requirements.txt
+++ b/master/requirements.txt
@@ -107,6 +107,6 @@ virtualenv-clone==0.2.6
 watson-developer-cloud==1.0.2
 wcwidth==0.1.7
 webencodings==0.5
-Werkzeug==0.11.10
+Werkzeug==0.15.3
 wrapt==1.10.11
 WTForms==2.1