diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 178eb4a..84e2c4f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         ruby: [2.6, 2.7, 3.0, 3.1]
     steps:
     - name: Check out code
-      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
     - name: Set up Ruby ${{ matrix.ruby }}
       uses: ruby/setup-ruby@e34163cd15f4bb403dcd72d98e295997e6a55798 # v1.238.0
       with: