diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3b5676b..90be518 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,13 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-14, ubuntu-22.04]
+        os: [macos-14, macos-15, ubuntu-20.04, ubuntu-22.04, ubuntu-24.04]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Homebrew
         id: set-up-homebrew
         uses: Homebrew/actions/setup-homebrew@master
-
       - name: Cache Homebrew Bundler RubyGems
         id: cache
         uses: actions/cache@v4
@@ -23,20 +22,14 @@ jobs:
           path: ${{ steps.set-up-homebrew.outputs.gems-path }}
           key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
           restore-keys: ${{ runner.os }}-rubygems-
-
       - name: Install Homebrew Bundler RubyGems
         if: steps.cache.outputs.cache-hit != 'true'
         run: brew install-bundler-gems
-
       - run: brew test-bot --only-cleanup-before
-
       - run: brew test-bot --only-setup
-
       - run: brew test-bot --only-tap-syntax
-
       - run: brew test-bot --only-formulae
         if: github.event_name == 'pull_request'
-
       - name: Upload bottles as artifact
         if: always() && github.event_name == 'pull_request'
         uses: actions/upload-artifact@v4