diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index b6ae436..fafeb58 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     # https://github.com/actions/setup-go
     - name: Use Go ${{ matrix.go_version }}
       timeout-minutes: 3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 02f88cf..38fb029 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup ENV
         # https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable