diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index a300d6c..2823caf 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -14,7 +14,7 @@ jobs:
         - macos-11.0
         ruby: [ '2.6', '2.7', '3.0', '3.1', 'debug', 'head' ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 891f9f7..79072b1 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -14,7 +14,7 @@ jobs:
         - ubuntu-18.04
         ruby: [ '2.6', '2.7', '3.0', '3.1', 'debug', 'head', 'jruby-head' ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 67ad775..e946078 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -13,7 +13,7 @@ jobs:
         - windows-latest
         ruby: [ '2.6', '2.7', '3.0', '3.1', 'mswin', 'mingw' ]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: