diff --git a/.github/workflows/go-build.yml b/.github/workflows/go-build.yml
index 3588752..c00cacd 100644
--- a/.github/workflows/go-build.yml
+++ b/.github/workflows/go-build.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         go-version: [ '1.18.x', '1.19.x', '1.20.x' ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     #
     - name: Setup Go ${{ matrix.go-version }}
       uses: actions/setup-go@v3
diff --git a/.github/workflows/go-test.yml b/.github/workflows/go-test.yml
index a20d863..4a1a04b 100644
--- a/.github/workflows/go-test.yml
+++ b/.github/workflows/go-test.yml
@@ -12,7 +12,7 @@ jobs:
         go-version: [ '1.18.x', '1.19.x', '1.20.x' ]
     #
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Go ${{ matrix.go-version }}
         uses: actions/setup-go@v3
         with:
diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index 18a72d6..72ae238 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Pages
         uses: actions/configure-pages@v3
       - name: Build with Jekyll