diff --git a/.gitreview b/.gitreview
index c1443cb9c5a..4a6ca9f8a66 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/cinder.git
-defaultbranch=stable/2023.1
+defaultbranch=unmaintained/2023.1