diff --git a/tests/apps/python-flask/requirements.txt b/tests/apps/python-flask/requirements.txt
index e0b6f0877..956e7e858 100644
--- a/tests/apps/python-flask/requirements.txt
+++ b/tests/apps/python-flask/requirements.txt
@@ -1,5 +1,5 @@
 Flask==1.1.1
 Jinja2==2.10.3
 Werkzeug==0.16.0
-gunicorn==20.0.2
+gunicorn==20.0.3