diff --git a/.github/workflows/auto-approve-dominions-prs.yml b/.github/workflows/auto-approve-dominions-prs.yml
index b9fd7da731..c12ea6df32 100644
--- a/.github/workflows/auto-approve-dominions-prs.yml
+++ b/.github/workflows/auto-approve-dominions-prs.yml
@@ -9,6 +9,10 @@ on:
     - dev
     - master
 
+concurrency:
+  group: "approve-dominion-${{ github.head_ref || github.run_id }}-${{ github.event_name }}"
+  cancel-in-progress: true
+
 jobs:
   approve-pr-if-dominion-is-author:
     name: Approve PR if Dominion is Author