diff --git a/.gitreview b/.gitreview
index 0c2a9408e3..8f15f2cc34 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/devstack.git
-defaultbranch=stable/2024.1
+defaultbranch=unmaintained/2024.1
diff --git a/stackrc b/stackrc
index a1feb51806..18201c6dd5 100644
--- a/stackrc
+++ b/stackrc
@@ -15,7 +15,7 @@ source $RC_DIR/functions
 
 # Set the target branch. This is used so that stable branching
 # does not need to update each repo below.
-TARGET_BRANCH=stable/2024.1
+TARGET_BRANCH=unmaintained/2024.1
 
 # Cycle trailing projects need to branch later than the others.
 TRAILING_TARGET_BRANCH=master