diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d355915..4e90503 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -16,7 +16,7 @@ jobs:
         os: ["macos-latest", "ubuntu-latest", "windows-latest"]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
       - run: cargo check
@@ -32,7 +32,7 @@ jobs:
           - clippy --all-targets -- -D warnings
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
       - run: cargo ${{ matrix['cargo-cmd'] }}
@@ -47,7 +47,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.channel == 'nightly' }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
         with:
@@ -76,7 +76,7 @@ jobs:
     name: security audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
       - uses: taiki-e/install-action@v2
@@ -90,7 +90,7 @@ jobs:
     name: docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
       - name: check documentation
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 250172a..59f68cf 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -18,7 +18,7 @@ jobs:
     name: code coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
         with:
diff --git a/.github/workflows/publish-dry-run.yml b/.github/workflows/publish-dry-run.yml
index 926362f..ba29aaf 100644
--- a/.github/workflows/publish-dry-run.yml
+++ b/.github/workflows/publish-dry-run.yml
@@ -13,7 +13,7 @@ jobs:
     needs: tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: setup | rust
         uses: sassman/.github/.github/actions/rust-toolchain@main
       - run: cargo publish --dry-run