diff --git a/.github/workflows/master-pr-build.yml b/.github/workflows/master-pr-build.yml
index c118c3cb5..67d03c030 100644
--- a/.github/workflows/master-pr-build.yml
+++ b/.github/workflows/master-pr-build.yml
@@ -21,6 +21,11 @@ on:
   pull_request:
     branches:
       - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest