diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 1fc0658..c1d0a59 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -7,6 +7,10 @@ on:
 
   pull_request:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 env:
   IMAGE_NAME: json
   MAJOR_VERSION: 11