diff --git a/samples/flask-railpack/flask/requirements.txt b/samples/flask-railpack/flask/requirements.txt
index 0c81b4a2a..95528a8c1 100644
--- a/samples/flask-railpack/flask/requirements.txt
+++ b/samples/flask-railpack/flask/requirements.txt
@@ -1,3 +1,3 @@
 Flask==2.2.5
-Werkzeug==2.2.2
+Werkzeug==3.1.9
 MarkupSafe==2.1.1