diff --git a/demo/requirements.txt b/demo/requirements.txt
index 2a703f3..e032034 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -2,6 +2,6 @@ Flask
 Flask-restplus
 pandas
 gunicorn
-Werkzeug==0.16.0
+Werkzeug==2.2.3
 scipy
 scikit-learn