diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index f0bdf6c..a722fd5 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -21,7 +21,7 @@ jobs:
           release-type: python
 
       # build & publish to PyPI
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7
diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 4e839f5..87193c9 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -63,7 +63,7 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0