diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 5ea77cd..8120193 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # https://github.com/pre-commit/action
       - name: run pre-commit
diff --git a/.github/workflows/wheel.yml b/.github/workflows/wheel.yml
index a3efb48..f6c4365 100644
--- a/.github/workflows/wheel.yml
+++ b/.github/workflows/wheel.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       # https://github.com/actions/checkout
       - name: checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Version check
         run: |