diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index caa1401..03e5d58 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -9,6 +9,10 @@ name: R-CMD-check.yaml
 
 permissions: read-all
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   R-CMD-check:
     runs-on: ${{ matrix.config.os }}