diff --git a/.github/workflows/build-and-deploy-docs.yml b/.github/workflows/build-and-deploy-docs.yml
index 2f15a8c..0ec7c77 100644
--- a/.github/workflows/build-and-deploy-docs.yml
+++ b/.github/workflows/build-and-deploy-docs.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8fd143..a7d929a 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@v5
       - 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@v5
 
       - name: 🐍 Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -85,7 +85,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0