diff --git a/requirements.txt b/requirements.txt
index fe7dbf0..a4e9aa4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ gunicorn==19.9.0
 itsdangerous==1.1.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 numpy>=1.9.2
 scipy>=0.15.1
 scikit-learn>=0.18