diff --git a/tests/apps/python-flask/requirements.txt b/tests/apps/python-flask/requirements.txt
index 5753b93a2..056296929 100644
--- a/tests/apps/python-flask/requirements.txt
+++ b/tests/apps/python-flask/requirements.txt
@@ -1,4 +1,4 @@
-Flask==2.1.2
+Flask==2.1.3
 Jinja2==3.1.2
 Werkzeug==2.1.2
 gunicorn==20.1.0