diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83647fb44f..c13ce8489d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Jekyll Build
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: 3.1
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Rails Doc Build (latest)
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - uses: ruby/setup-ruby@v1
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Rails Doc Build (older versions)
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
     - name: fetch Rails tags
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index c239afc6b3..20f7177ede 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -7,7 +7,7 @@ jobs:
   gh-pages-deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: