diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40dbb1c..1486564 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     # included in the sdist (unless explicitly excluded)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: pipx run check-manifest
 
   test:
@@ -36,7 +36,7 @@ jobs:
         platform: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: 🐍 Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -85,7 +85,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0