diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0482c9a2e..f7ad00a38 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Prepare to build site
       uses: ./.github/actions/prepare-build-site
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index c77a6cb0c..199f88f03 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Prepare to build site
       uses: ./.github/actions/prepare-build-site