diff --git a/tests/apps/multi/requirements.txt b/tests/apps/multi/requirements.txt
index 1e0ce537e..de92d1b89 100644
--- a/tests/apps/multi/requirements.txt
+++ b/tests/apps/multi/requirements.txt
@@ -1,2 +1,2 @@
-Flask==2.1.2
+Flask==2.1.3
 gunicorn==20.1.0