diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 61c0683e..ed5cd2ac 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -14,6 +14,10 @@ on:
       - 'README.md'
       - 'docs/**'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   validate_gradle_wrapper:
     runs-on: ubuntu-latest