diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0600287..cddefcd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
       NINJA_STATUS: "[Built edge %f of %t in %e sec] "
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0  # such that setuptools_scm can do its job correctly
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a8c053c..c31ac35 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -22,7 +22,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0  # such that setuptools_scm can do its job correctly
 
@@ -40,7 +40,7 @@ jobs:
     outputs:
       include: ${{ steps.set-matrix.outputs.include }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install cibuildwheel
         run: pipx install cibuildwheel==2.19.2
       - id: set-matrix
@@ -77,7 +77,7 @@ jobs:
         include: ${{ fromJson(needs.generate-wheels-matrix.outputs.include) }}
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0  # such that setuptools_scm can do its job correctly