diff --git a/templates/default/.github/workflows/check-emacs-lisp.yml b/templates/default/.github/workflows/check-emacs-lisp.yml
index 139fa43..a701eab 100644
--- a/templates/default/.github/workflows/check-emacs-lisp.yml
+++ b/templates/default/.github/workflows/check-emacs-lisp.yml
@@ -9,6 +9,11 @@ on:
     paths-ignore:
       - 'README.*'
   workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   compile-and-test:
     uses: emacs-twist/elisp-workflows/.github/workflows/compile-and-test.yml@master