diff --git a/.github/workflows/deploy-dev.yml b/.github/workflows/deploy-dev.yml
index b061c6a..6184a19 100644
--- a/.github/workflows/deploy-dev.yml
+++ b/.github/workflows/deploy-dev.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
 
@@ -55,7 +55,7 @@ jobs:
     outputs:
       preview_url: ${{ steps.deploy.outputs.preview_url }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
 
@@ -147,7 +147,7 @@ jobs:
     runs-on: ubuntu-latest
     if: inputs.dry_run == true
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 10
       - run: |
diff --git a/.github/workflows/deploy-prod.yml b/.github/workflows/deploy-prod.yml
index 829b042..ef2f254 100644
--- a/.github/workflows/deploy-prod.yml
+++ b/.github/workflows/deploy-prod.yml
@@ -37,7 +37,7 @@ jobs:
     timeout-minutes: 10
     if: inputs.rollback != true
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
 
@@ -93,7 +93,7 @@ jobs:
     outputs:
       deployment_url: ${{ steps.deploy.outputs.deployment_url }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - uses: pnpm/action-setup@0e279bb959325dab635dd2c09392533439d90093 # v6.0.8
 
@@ -191,7 +191,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
 
@@ -272,7 +272,7 @@ jobs:
     runs-on: ubuntu-latest
     if: inputs.dry_run == true && inputs.rollback != true
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 10
       - run: |
diff --git a/.github/workflows/gsc-submit.yml b/.github/workflows/gsc-submit.yml
index afc9d8f..8445cb5 100644
--- a/.github/workflows/gsc-submit.yml
+++ b/.github/workflows/gsc-submit.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 2
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Submit sitemap
         env:
diff --git a/.github/workflows/indexnow.yml b/.github/workflows/indexnow.yml
index 7ff8dfc..0f302fd 100644
--- a/.github/workflows/indexnow.yml
+++ b/.github/workflows/indexnow.yml
@@ -25,7 +25,7 @@ jobs:
     if: github.event_name == 'push'
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/openapi-version-check.yml b/.github/workflows/openapi-version-check.yml
index 592ffe3..7a65000 100644
--- a/.github/workflows/openapi-version-check.yml
+++ b/.github/workflows/openapi-version-check.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0