diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5766dbf5..e7530513 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
     - name: Set up Ruby ${{ matrix.ruby }}
-      uses: ruby/setup-ruby@e34163cd15f4bb403dcd72d98e295997e6a55798 # v1.238.0
+      uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
       with:
         ruby-version: ${{ matrix.ruby }}
     - uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3