diff --git a/.gitreview b/.gitreview
index bd315c146..9967b183a 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=airship/treasuremap.git
-defaultbranch=master
+defaultbranch=v2.1
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index 6324ff9cb..45e353928 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -14,7 +14,7 @@
     vars:
       # NOTE(drewwalters96): Set AIRSHIPCTL_REF to a commit SHA in order to pin
       # the cloned version of airshipctl to a known/compatible reference.
-      AIRSHIPCTL_REF: e8992a6bed6a586f44f50f174276b4b57f8b2c65
+      AIRSHIPCTL_REF: v2.1.0
       sphinx_build_dir: docs/build
     check:
       jobs: