diff --git a/.github/workflows/pr-title-check.yml b/.github/workflows/pr-title-check.yml
index 59867ed9..2688302c 100644
--- a/.github/workflows/pr-title-check.yml
+++ b/.github/workflows/pr-title-check.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           sparse-checkout: .github/modules.json
           sparse-checkout-cone-mode: false
diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index be45acec..2e65af05 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/release-rubygems.yml b/.github/workflows/release-rubygems.yml
index dcc3ac1e..164a427e 100644
--- a/.github/workflows/release-rubygems.yml
+++ b/.github/workflows/release-rubygems.yml
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout tagged commit
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 17ad7dd5..b9180b14 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -22,7 +22,7 @@ jobs:
           - '3.4'
 
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@d697be2f83c6234b20877c3b5eac7a7f342f0d0c # v1.269.0
       with:
@@ -48,7 +48,7 @@ jobs:
           - '3.4'
 
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@d697be2f83c6234b20877c3b5eac7a7f342f0d0c # v1.269.0
       with: