diff --git a/source/default/requirements.txt b/source/default/requirements.txt
index 1e70c7f..e98383a 100644
--- a/source/default/requirements.txt
+++ b/source/default/requirements.txt
@@ -1,2 +1,2 @@
-flask==2.2.5
+flask==3.1.3
 appengine-python-standard>=1.0.0