diff --git a/sample-apps/flask/requirements.txt b/sample-apps/flask/requirements.txt
index 0881df7b..6346d6a0 100644
--- a/sample-apps/flask/requirements.txt
+++ b/sample-apps/flask/requirements.txt
@@ -4,7 +4,7 @@ chardet==5.2.0
 Flask==2.3.3
 idna==3.7
 requests==2.32.0
-urllib3==1.26.19
+urllib3==2.5.0
 Werkzeug==3.0.6
 flask-sqlalchemy==2.5.1
 SQLAlchemy==1.4