diff --git a/.github/workflows/br_compatible_test.yml b/.github/workflows/br_compatible_test.yml
index e72581856abbd..b6ef8aa7bd1cb 100644
--- a/.github/workflows/br_compatible_test.yml
+++ b/.github/workflows/br_compatible_test.yml
@@ -28,6 +28,11 @@ on:
       - '!br/tests/**'
       - '!br/docker/**'
 
+# See: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency.
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   check:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/compile_br.yaml b/.github/workflows/compile_br.yaml
index fed0d2a7af279..da5ef43198ffc 100644
--- a/.github/workflows/compile_br.yaml
+++ b/.github/workflows/compile_br.yaml
@@ -29,6 +29,11 @@ on:
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+# See: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#concurrency.
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: true
+
 jobs:
   compile:
     name: Compile for ${{ matrix.os }} / ${{ matrix.target}}