diff --git a/.github/workflows/build_whl.yml b/.github/workflows/build_whl.yml
index 0b590fd..01b5f3c 100644
--- a/.github/workflows/build_whl.yml
+++ b/.github/workflows/build_whl.yml
@@ -18,7 +18,7 @@ jobs:
       whl-file-name: ${{ steps.get-whl-filename.outputs.whl-file-name }}
       tar-file-name: ${{ steps.get-tar-filename.outputs.tar-file-name }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         lfs: true
diff --git a/.github/workflows/pypi_upload.yml b/.github/workflows/pypi_upload.yml
index 69b629e..aba2891 100644
--- a/.github/workflows/pypi_upload.yml
+++ b/.github/workflows/pypi_upload.yml
@@ -27,7 +27,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with: