diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f336cd2..bd9a589 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
         ruby: ['2.7', '3.0', '3.3']
     name: Ruby ${{ matrix.ruby }} CI
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}