diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index fd3206f..788b08d 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Setup Node.js
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         cache: npm
         node-version: ${{ inputs.node_version }}
diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 510ceca..51908b1 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           ref: ${{ github.head_ref }}
           token: ${{ secrets.GH_TOKEN }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0688a56..2d10671 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
       - name: Setup
         uses: ./.github/actions/setup
       - name: Build
@@ -23,7 +23,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
       - name: Setup
         uses: ./.github/actions/setup
       - name: Lint
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index dd6e5a6..172b93a 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,9 +18,9 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: '22'
           registry-url: https://registry.npmjs.org
@@ -46,9 +46,9 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
       - name: Setup Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: '22'
           registry-url: https://npm.pkg.github.com
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           ref: ${{ github.head_ref }}
           token: ${{ secrets.GH_TOKEN }}
diff --git a/.github/workflows/version.yml b/.github/workflows/version.yml
index d21dbca..0debc49 100644
--- a/.github/workflows/version.yml
+++ b/.github/workflows/version.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           persist-credentials: false
       - name: Setup Git config
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 058d10d..005c273 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## Unreleased
 
+### Changed
+
+- GitHub Actions updated to Node 24 runtimes: `actions/checkout` v5 to v7; `actions/setup-node` v5 to v6.
+
 ## 0.8.2 / 2026-07-05
 
 ### Changed