diff --git a/.github/workflows/_release.yaml b/.github/workflows/_release.yaml
index fb7247c..27e2fcb 100644
--- a/.github/workflows/_release.yaml
+++ b/.github/workflows/_release.yaml
@@ -13,7 +13,7 @@ jobs:
         with:
           app-id: ${{ vars.APP_ID }}
           private-key: ${{ secrets.PRIVATE_KEY }}
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           token: ${{ steps.app-token.outputs.token }}
       - uses: Songmu/tagpr@7191605433b03e11b313dbbc0efb80185170de4b # v1.9.0
diff --git a/.github/workflows/create-draft.yaml b/.github/workflows/create-draft.yaml
index 2877dff..78a7a71 100644
--- a/.github/workflows/create-draft.yaml
+++ b/.github/workflows/create-draft.yaml
@@ -23,7 +23,7 @@ jobs:
     env:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/initialize.yaml b/.github/workflows/initialize.yaml
index 8f74b1d..4006bef 100644
--- a/.github/workflows/initialize.yaml
+++ b/.github/workflows/initialize.yaml
@@ -19,7 +19,7 @@ jobs:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/pull-draft.yaml b/.github/workflows/pull-draft.yaml
index 4af1f1d..f40a067 100644
--- a/.github/workflows/pull-draft.yaml
+++ b/.github/workflows/pull-draft.yaml
@@ -23,7 +23,7 @@ jobs:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
       ENTRY_TITLE: ${{ inputs.title }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/pull.yaml b/.github/workflows/pull.yaml
index 4293eb0..ef58455 100644
--- a/.github/workflows/pull.yaml
+++ b/.github/workflows/pull.yaml
@@ -16,7 +16,7 @@ jobs:
     env:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/push-draft.yaml b/.github/workflows/push-draft.yaml
index 5a3432f..90098bd 100644
--- a/.github/workflows/push-draft.yaml
+++ b/.github/workflows/push-draft.yaml
@@ -18,7 +18,7 @@ jobs:
     env:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ needs.upload-images.result == 'success' && needs.upload-images.outputs.revision || '' }}
           fetch-depth: 0
diff --git a/.github/workflows/push-when-publishing-from-draft.yaml b/.github/workflows/push-when-publishing-from-draft.yaml
index ef3340e..7008306 100644
--- a/.github/workflows/push-when-publishing-from-draft.yaml
+++ b/.github/workflows/push-when-publishing-from-draft.yaml
@@ -19,7 +19,7 @@ jobs:
     env:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 7336c78..67c5364 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -19,7 +19,7 @@ jobs:
     env:
       BLOGSYNC_PASSWORD: ${{ secrets.OWNER_API_KEY }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
       - name: setup
diff --git a/.github/workflows/upload-images.yaml b/.github/workflows/upload-images.yaml
index b93e09b..8d8ec7b 100644
--- a/.github/workflows/upload-images.yaml
+++ b/.github/workflows/upload-images.yaml
@@ -15,7 +15,7 @@ jobs:
     outputs:
       revision: ${{ steps.commit-and-push.outputs.revision }}
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ github.event.pull_request.head.ref }}
       - name: list changed entries