diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 80bcd67..9fd99f2 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -6,6 +6,10 @@ on:
       - '**'
   workflow_call:
 
+concurrency:
+  group: ${{ github.workflow }}${{ github.ref_name != github.event.repository.default_branch && github.ref || github.run_id }}
+  cancel-in-progress: ${{ github.ref_name != github.event.repository.default_branch }}
+
 jobs:
   check:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0c0bdd0..14c58c3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,6 +5,10 @@ on:
     tags:
       - 'v*'
 
+
+concurrency:
+  group: ${{ github.workflow }}${{ github.ref_name != github.event.repository.default_branch && github.ref || github.run_id }}
+  cancel-in-progress: ${{ github.ref_name != github.event.repository.default_branch }}
 jobs:
   check:
     uses: ./.github/workflows/check.yml
diff --git a/.github/workflows/repository-maintenance.yml b/.github/workflows/repository-maintenance.yml
index 8229b77..4bc7952 100644
--- a/.github/workflows/repository-maintenance.yml
+++ b/.github/workflows/repository-maintenance.yml
@@ -2,9 +2,13 @@ name: Repository Maintenance
 
 on:
   push:
-    branches: [ 'main' ]
+    branches: ['main']
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}${{ github.ref_name != github.event.repository.default_branch && github.ref || github.run_id }}
+  cancel-in-progress: ${{ github.ref_name != github.event.repository.default_branch }}
+
 jobs:
   dependency-submission:
     name: Dependency Submission