diff --git a/.gitea/workflows/build-and-push.yml b/.gitea/workflows/build-and-push.yml
index ec37adb..dcf7cf7 100644
--- a/.gitea/workflows/build-and-push.yml
+++ b/.gitea/workflows/build-and-push.yml
@@ -11,6 +11,11 @@ on:
     branches:
     - master
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.pull_request.number
+    || github.run_id }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
 jobs:
   build-and-push:
     runs-on: butler-ci