diff --git a/Flask/Flask04/burlesco70/webapp/requirements.txt b/Flask/Flask04/burlesco70/webapp/requirements.txt
index cd78caa..15b38c2 100644
--- a/Flask/Flask04/burlesco70/webapp/requirements.txt
+++ b/Flask/Flask04/burlesco70/webapp/requirements.txt
@@ -67,7 +67,7 @@ traitlets==4.3.3
 visitor==0.1.3
 wcwidth==0.1.8
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.5.1
 wincertstore==0.2
 WTForms==2.1