diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index acc739962..7527712e6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,6 +8,9 @@ on: # yamllint disable-line rule:truthy
     tags:
       - v*
   pull_request:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   matrix:
     runs-on: ubuntu-latest