diff --git a/.github/workflows/html-macos.yml b/.github/workflows/html-macos.yml
index 067bec2c..da2abacc 100644
--- a/.github/workflows/html-macos.yml
+++ b/.github/workflows/html-macos.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - name: Clone repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Install pandoc
diff --git a/.github/workflows/linkcheck.yml b/.github/workflows/linkcheck.yml
index 43c298af..a840e19e 100644
--- a/.github/workflows/linkcheck.yml
+++ b/.github/workflows/linkcheck.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Clone repo
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Install pandoc