diff --git a/.github/workflows/docker_image.yml b/.github/workflows/docker_image.yml
index 82bb635..19d78c4 100644
--- a/.github/workflows/docker_image.yml
+++ b/.github/workflows/docker_image.yml
@@ -7,6 +7,10 @@ on:
     types:
       - completed
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   docker-image:
     runs-on: ubuntu-latest
@@ -14,8 +18,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4.1.6
-        with:
-          ref: ${{ github.event.workflow_run.head_branch }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta