diff --git a/.github/workflows/docker-maintenance.yml b/.github/workflows/docker-maintenance.yml
index 8cee51d..61dd1d4 100644
--- a/.github/workflows/docker-maintenance.yml
+++ b/.github/workflows/docker-maintenance.yml
@@ -28,4 +28,7 @@ jobs:
     with:
       merge-method: 'squash'
       auto-approve: true
+      # Merge only after this PR CI has passed on the PR head commit - it
+      # tests rabbitmq-init and builds the images.
+      required-workflows: '.github/workflows/docker-release.yml'
     secrets: inherit