diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index c514f3c..8ead0f5 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -5,6 +5,9 @@ on:
 jobs:
   build:
     runs-on: self-hosted
+    concurrency:
+      group: ${{ github.ref }}
+      cancel-in-progress: true
     steps:
       - uses: actions/checkout@v2
       - uses: docker/login-action@v1