diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index f47ea9be..d832e2f0 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -6,7 +6,7 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: codespell-project/actions-codespell@406322ec52dd7b488e48c1c4b82e2a8b3a1bf630 # v2.1
         with:
           skip: .git,_artifacts,*.sum
diff --git a/.github/workflows/container-image.yaml b/.github/workflows/container-image.yaml
index 3eda78a2..79beb714 100644
--- a/.github/workflows/container-image.yaml
+++ b/.github/workflows/container-image.yaml
@@ -23,7 +23,7 @@ jobs:
     name: build image
     runs-on: "ubuntu-latest"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Generate lowercase repository name
         run: |
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 59fee5ae..79963b84 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -20,11 +20,11 @@ jobs:
     steps:
       - name: Check out branch ${{ github.ref }}
         if: ${{ github.event_name == 'push' }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Check out PR ${{ github.event.pull_request.number }}
         if: ${{ github.event_name == 'pull_request_target' }}
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.event.pull_request.head.sha }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 4d064669..345a605d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:
           go-version-file: go.mod
@@ -26,7 +26,7 @@ jobs:
     name: yamllint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ibiqlik/action-yamllint@v3
         with:
           format: github
@@ -35,7 +35,7 @@ jobs:
     name: actionlint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Download actionlint
         id: get_actionlint
         run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fe90cd14..60f9e629 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set env
         run:  echo "RELEASE_TAG=${GITHUB_REF##refs/tags/}" >> "$GITHUB_ENV"
       - name: checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
       - name: Set up Go
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 303a552e..1ee247aa 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: checkout PR ${{ github.event.pull_request.number }}
         if: github.event_name == 'pull_request_target'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # for SonarQube
           repository: ${{ github.event.pull_request.head.repo.full_name }}
@@ -35,7 +35,7 @@ jobs:
 
       - name: checkout
         if: github.event_name == 'push'
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # for SonarQube