diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 60fed89..fa9bb63 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ruby/setup-ruby@2489e28c66b1217a91b825746a221cfd04965f67
         with:
-          ruby-version: 2.6 
+          ruby-version: 4.0.1 
       
       - run: bundle install