diff --git a/requirements.txt b/requirements.txt
index b8e3611..5f85c85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -155,6 +155,6 @@ ujson==1.35
 urllib3==1.23
 wcwidth==0.1.7
 websocket-client==0.54.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 widgetsnbextension==3.1.4
 wrapt==1.10.11