diff --git a/requirements.txt b/requirements.txt
index c7af86a..be4ee9d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -221,7 +221,7 @@ wasabi==0.2.2
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.56.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.4.2
 wrapt==1.10.11
 xlrd==1.1.0