diff --git a/.github/workflows/add-release-tag.yml b/.github/workflows/add-release-tag.yml
index 5e5cab1..3c119d5 100644
--- a/.github/workflows/add-release-tag.yml
+++ b/.github/workflows/add-release-tag.yml
@@ -6,6 +6,9 @@ on:
       - develop/v*
     types: [closed]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 name: Add release tag
 
 jobs:
diff --git a/.github/workflows/broken-link-check.yml b/.github/workflows/broken-link-check.yml
index bd7a301..e14ed30 100644
--- a/.github/workflows/broken-link-check.yml
+++ b/.github/workflows/broken-link-check.yml
@@ -5,6 +5,9 @@ on:
     types: [check-link]
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 name: Broken Link Check
 jobs:
   check:
@@ -12,8 +15,5 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: technote-space/auto-cancel-redundant-workflow@v1
-        with:
-          EXCLUDE_MERGED: 'true'
       - name: Broken Link Check
         uses: technote-space/broken-link-checker-action@v2
diff --git a/.github/workflows/gh-releases.yml b/.github/workflows/gh-releases.yml
index 44ee254..2fb21f4 100644
--- a/.github/workflows/gh-releases.yml
+++ b/.github/workflows/gh-releases.yml
@@ -3,6 +3,9 @@ on:
     tags:
       - "v*"
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 name: GitHub Releases
 
 jobs:
diff --git a/.github/workflows/pr-updated.yml b/.github/workflows/pr-updated.yml
index b8885b5..b0ef7c6 100644
--- a/.github/workflows/pr-updated.yml
+++ b/.github/workflows/pr-updated.yml
@@ -1,5 +1,8 @@
 on: pull_request_target
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 name: Pull Request updated
 
 jobs:
diff --git a/.github/workflows/toc.yml b/.github/workflows/toc.yml
index 11fa5c9..7891b24 100644
--- a/.github/workflows/toc.yml
+++ b/.github/workflows/toc.yml
@@ -1,5 +1,8 @@
 on: push
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+
 name: TOC Generator
 
 jobs: