diff --git a/requirements.txt b/requirements.txt
index 5d133df..44de095 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -115,6 +115,6 @@ unityagents==0.4.0
 urllib3==1.23
 wcwidth==0.1.7
 webencodings==0.5
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.2.1
 zope.interface==4.5.0