diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 393998b5..9c7ddb5f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     name: Format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: '3.10'
@@ -38,7 +38,7 @@ jobs:
             test-suite: tensorflow
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Python
         uses: actions/setup-python@v5
@@ -86,7 +86,7 @@ jobs:
     needs: tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: '3.11'
@@ -107,7 +107,7 @@ jobs:
     name: Distribution build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Build sdist & wheel
         run: pipx run --spec build pyproject-build
       - uses: actions/upload-artifact@v4
diff --git a/.github/workflows/ci_test_all.yml b/.github/workflows/ci_test_all.yml
index 7ebb36a9..9a03481b 100644
--- a/.github/workflows/ci_test_all.yml
+++ b/.github/workflows/ci_test_all.yml
@@ -18,7 +18,7 @@ jobs:
         runs-on: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - uses: actions/setup-python@v5
       with: