diff --git a/bak/requirements.txt b/bak/requirements.txt
index e71cf59..0127a77 100644
--- a/bak/requirements.txt
+++ b/bak/requirements.txt
@@ -200,7 +200,7 @@ urllib3==1.22
 virtualenv==16.0.0
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.4.1
 wrapt==1.10.11
 xgboost==0.7.post3