diff --git a/.github/workflows/ruby-ci.yml b/.github/workflows/ruby-ci.yml
index d6a2a78..9e08703 100644
--- a/.github/workflows/ruby-ci.yml
+++ b/.github/workflows/ruby-ci.yml
@@ -10,27 +10,48 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         gemfile:
           - minitest4
           - minitest5
           - test_unit_gem
+        os:
+          - ubuntu-latest
+          - macos-latest
         ruby:
           - ruby-2.7
           - ruby-3.0
           - ruby-3.1
+          - ruby-head
+          - jruby
+          # - jruby-9.1
+          # - jruby-9.2
+          # - jruby-9.3
+          # - jruby-9.4
+          # - jruby-head
           - truffleruby
+          # - truffleruby-19
+          # - truffleruby-20
+          # - truffleruby-21
+          # - truffleruby-22
+          # - truffleruby-head
+          - truffleruby+graalvm
+          # - truffleruby+graalvm-21
+          # - truffleruby+graalvm-22
+          # - truffleruby+graalvm-23
+          # - truffleruby+graalvm-head
+    runs-on: ${{ matrix.os }}
     env:
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - name: Test
-        run: bundle exec rake
+        run: bundle exec rake test
diff --git a/.github/workflows/standard-rb.yml b/.github/workflows/standard-rb.yml
new file mode 100644
index 0000000..0225e97
--- /dev/null
+++ b/.github/workflows/standard-rb.yml
@@ -0,0 +1,14 @@
+name: StandardRB
+
+jobs:
+  standard:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Install
+        uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+      - name: Standard
+        run: bundle exec rake standard