diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d82ce69e..26d0b022 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # We must fetch at least the immediate parents so that if this is
           # a pull request then we can checkout the head.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ff96aadd..ff7dbb88 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
     name: release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: lts/*
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7f6365c6..3c16afbe 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
           - 22
           - 24
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Use Node.js ${{ matrix.node_version }}
         uses: actions/setup-node@v6
         with:
@@ -36,7 +36,7 @@ jobs:
     steps:
       - run: exit 1
         if: ${{ needs.test_matrix.result != 'success' }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: "lts/*"
diff --git a/.github/workflows/update-prettier.yml b/.github/workflows/update-prettier.yml
index e808f379..f6a4d7c2 100644
--- a/.github/workflows/update-prettier.yml
+++ b/.github/workflows/update-prettier.yml
@@ -12,7 +12,7 @@ jobs:
         with:
           app-id: ${{ vars.OCTOKIT_APP_ID }}
           private-key: ${{ secrets.OCTOKIT_APP_PRIVATE_KEY }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           cache: npm
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 320534f6..8f2d8956 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -18,7 +18,7 @@ jobs:
         with:
           app-id: ${{ vars.OCTOKIT_APP_ID }}
           private-key: ${{ secrets.OCTOKIT_APP_PRIVATE_KEY }}
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           token: ${{ steps.app-token.outputs.token }}
       - uses: actions/setup-node@v6