diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index f717bf6..980cfbf 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -37,7 +37,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.12"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Install tox
@@ -76,7 +76,7 @@ jobs:
           - { os: windows-latest, tox_env: pkg_meta } # would be the same
           - { os: ubuntu-latest, tox_env: docs } # runs on readthedocs.org already
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Setup Python 3.12
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ff4d156..d13bafa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
           python-version: "3.12"
       - name: Install build
         run: python -m pip install build
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build package