diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 206b9bfec..dc1e0031c 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -10,7 +10,7 @@ jobs:
   deploy:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
diff --git a/.github/workflows/htmltest.yml b/.github/workflows/htmltest.yml
index f3631ca9d..ed5919911 100644
--- a/.github/workflows/htmltest.yml
+++ b/.github/workflows/htmltest.yml
@@ -5,7 +5,7 @@ jobs:
     name: Htmltest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true  # Fetch Hugo themes (true OR recursive)
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod