diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 47f360f..931ad45 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 3.4.2
           bundler-cache: true
 
       - name: Deploy