diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9008cb17..da1e1496 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6
+        ruby-version: 3.1
         bundler-cache: true
     - run: sudo apt-get -y install chromium-browser
     - run: bundle exec rake