diff --git a/.github/workflows/autodoc.yml b/.github/workflows/autodoc.yml
index 00fed53..6c04b36 100644
--- a/.github/workflows/autodoc.yml
+++ b/.github/workflows/autodoc.yml
@@ -13,7 +13,7 @@ jobs:
     if: github.event.pull_request.merged == true
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Process markdown files
         run: |
           find . -name '*.md' -not -name 'AGENTS.md' -not -name 'CLAUDE.md' -not -path './examples/*' | xargs perl tools/autodoc.pl
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0349dd0..8dd48a8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     name: "Check generated files are up to date"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Install Go stable version
         uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
@@ -33,7 +33,7 @@ jobs:
     name: "Test"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Cache testdata
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
         env:
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index d90fd59..700c5f2 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -33,7 +33,7 @@ jobs:
     name: "Fuzz ${{ matrix.name }}"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Install Go stable version
         uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 5779925..05aa559 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -5,7 +5,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
         with:
           go-version-file: "go.mod"
diff --git a/.github/workflows/smoke.yml b/.github/workflows/smoke.yml
index c430f0e..e37ffbb 100644
--- a/.github/workflows/smoke.yml
+++ b/.github/workflows/smoke.yml
@@ -14,7 +14,7 @@ jobs:
     name: "Smoke"
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Check documentation generator
         run: |
           find . -name '*.md' -not -name 'AGENTS.md' -not -name 'CLAUDE.md' -not -path './examples/*' | xargs env AUTODOC_DRYRUN=1 perl tools/autodoc.pl