diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7008343ba..05666f48a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     name: Rubocop
     runs-on: 'ubuntu-20.04'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.0'
@@ -72,7 +72,7 @@ jobs:
     continue-on-error: ${{ matrix.allow_failure || endsWith(matrix.ruby, 'head') }}
     env: ${{ matrix.env }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           bundler: ${{ matrix.bundler || '2.2.22' }}
@@ -144,7 +144,7 @@ jobs:
           - 2.2
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           bundler: '2.2.22'