diff --git a/tests/apps/multi/requirements.txt b/tests/apps/multi/requirements.txt
index 7eb4708cc..5fab8c431 100644
--- a/tests/apps/multi/requirements.txt
+++ b/tests/apps/multi/requirements.txt
@@ -1,2 +1,2 @@
-Flask==2.3.3
+Flask==3.0.0
 gunicorn==21.2.0