diff --git a/tests/apps/multi/requirements.txt b/tests/apps/multi/requirements.txt
index de92d1b89..377b1785b 100644
--- a/tests/apps/multi/requirements.txt
+++ b/tests/apps/multi/requirements.txt
@@ -1,2 +1,2 @@
-Flask==2.1.3
+Flask==2.2.1
 gunicorn==20.1.0