diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ae7fde..1ca15dc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
       - name: Set up Ruby ${{ matrix.version }}
-        uses: ruby/setup-ruby@e34163cd15f4bb403dcd72d98e295997e6a55798 # v1.238.0
+        uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
         with: 
           ruby-version: ${{ matrix.version }}
           bundler-cache: true