diff --git a/web/requirements.txt b/web/requirements.txt
index 5441001..cda3d56 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -169,7 +169,7 @@ unicodecsv==0.14.1
 urllib3==1.22
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.1.0
 wrapt==1.10.11
 xlrd==1.1.0