diff --git a/.github/workflows/cpp.yml b/.github/workflows/cpp.yml
index 8af2cbe..1b7910a 100644
--- a/.github/workflows/cpp.yml
+++ b/.github/workflows/cpp.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-24.04, ubuntu-22.04, windows-2022, macos-14, macos-15]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - name: Setup cmake
         uses: jwlawson/actions-setup-cmake@v1.13
         with:
@@ -38,7 +38,7 @@ jobs:
         os: [ubuntu-22.04, ubuntu-24.04]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - name: Cache dependencies
         uses: actions/cache@v4
         with:
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index 809ea78..23e282d 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -11,7 +11,7 @@ jobs:
     name: Pre-commit checks
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v4
         with:
           python-version: "3.10"
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 3962e81..47331c5 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -12,7 +12,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Build sdist
         run: pipx run build --sdist ${{github.workspace}}/python/
@@ -31,7 +31,7 @@ jobs:
         os: [ubuntu-24.04, windows-2022, macos-15]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Build test wheels (only PRs)
         if: github.event_name != 'release'
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index c64859b..354b6c6 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ubuntu-24.04, ubuntu-22.04, windows-2022, macos-14, macos-15]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - name: Set up Python3
         uses: actions/setup-python@v3
         with: