diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index c207e7e4..2fcdcd4a 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -6,6 +6,10 @@ on:
       - master
       - '*-maintenance'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
 jobs:
   ci:
     name: CI