diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c356f6c..0f289ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   rubocop:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 4.0.0
@@ -34,7 +34,7 @@ jobs:
       matrix:
         ruby-version: ["3.2.9", "3.3.10", "3.4.8", "4.0.0"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}