diff --git a/.gitreview b/.gitreview
index ced2384..8df7314 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/mistral-lib.git
-defaultbranch=stable/xena
+defaultbranch=unmaintained/xena