diff --git a/.github/workflows/lint-and-fmt.yml b/.github/workflows/lint-and-fmt.yml
index 84c96ee..8abe3b5 100644
--- a/.github/workflows/lint-and-fmt.yml
+++ b/.github/workflows/lint-and-fmt.yml
@@ -18,7 +18,7 @@ jobs:
     name: lint and fmt - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install prettier
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4ed2ad0..c6e44c7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
         target: [x86_64, x86, aarch64]
     name: Ubuntu, ${{ matrix.target }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -44,7 +44,7 @@ jobs:
         target: [x64, x86]
     name: Windows, ${{ matrix.target }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -69,7 +69,7 @@ jobs:
         target: [x86_64, aarch64]
     name: macOS, ${{ matrix.target }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: 3.x
@@ -89,7 +89,7 @@ jobs:
   sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with:
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index dbad1be..91390af 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -17,7 +17,7 @@ jobs:
     name: unittest - Python ${{ matrix.python-version }} on ${{ matrix.architecture }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install maturin
         run: pipx install maturin