diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index b339301..1d1f01f 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Download actionlint
         id: get_actionlint
         run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
diff --git a/.github/workflows/copyrights.yml b/.github/workflows/copyrights.yml
index e0e5ab9..f2fed80 100644
--- a/.github/workflows/copyrights.yml
+++ b/.github/workflows/copyrights.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: yegor256/copyrights-action@0.0.12
diff --git a/.github/workflows/eslint.yml b/.github/workflows/eslint.yml
index 1fdfc74..a64326d 100644
--- a/.github/workflows/eslint.yml
+++ b/.github/workflows/eslint.yml
@@ -15,6 +15,6 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: npm install
       - run: npx eslint .
diff --git a/.github/workflows/grunt.yml b/.github/workflows/grunt.yml
index 2185b5c..e63b47f 100644
--- a/.github/workflows/grunt.yml
+++ b/.github/workflows/grunt.yml
@@ -20,7 +20,7 @@ jobs:
         node: [16]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.14.0"
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index 6e92d3f..603c757 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -19,5 +19,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: DavidAnson/markdownlint-cli2-action@v21.0.0
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index e33c691..78c9230 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: volodya-lombrozo/pdd-action@master
diff --git a/.github/workflows/reuse.yml b/.github/workflows/reuse.yml
index ad47e2f..a224a43 100644
--- a/.github/workflows/reuse.yml
+++ b/.github/workflows/reuse.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: fsfe/reuse-action@v6
diff --git a/.github/workflows/typos.yml b/.github/workflows/typos.yml
index cf84abe..e1a8ba3 100644
--- a/.github/workflows/typos.yml
+++ b/.github/workflows/typos.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: crate-ci/typos@v1.39.2
diff --git a/.github/workflows/up.yml b/.github/workflows/up.yml
index fed4bfd..afb0d9d 100644
--- a/.github/workflows/up.yml
+++ b/.github/workflows/up.yml
@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: |-
           git fetch --tags --force
           latest=$(git tag --sort=creatordate | tail -1)
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index c5b8e6e..eebed98 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: g4s8/xcop-action@master
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index 6203b24..a675778 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -15,5 +15,5 @@ jobs:
     timeout-minutes: 15
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ibiqlik/action-yamllint@v3