diff --git a/.github/workflows/cpp_analyzer.yaml b/.github/workflows/cpp_analyzer.yaml
index 9f5fb9d..9fcf22e 100644
--- a/.github/workflows/cpp_analyzer.yaml
+++ b/.github/workflows/cpp_analyzer.yaml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Build
       run: |
         cd tools/cpp_code_analyzer/
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index d150fe5..a1b6cb9 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Asciidoc to html