.gitlab-ci.yml in asciidoctor-defmastership-1.0.5 vs .gitlab-ci.yml in asciidoctor-defmastership-1.0.6

@@ -1,16 +1,31 @@
 default:
-  image: ruby:2.5
+  image: ruby:3.2
   before_script:
     - apt-get update
     - ruby -v
     - which ruby
     - gem install bundler --no-document
     - bundle install --jobs $(nproc) "${FLAGS[@]}"
 
-rspec:
+unit tests:
   script:
     - bundle exec rake spec
 
 rubocop:
   script:
     - bundle exec rake rubocop
+
+unit tests ruby2.7:
+  image: ruby:2.7
+  script:
+    - bundle exec rake spec
+
+unit tests ruby3.0:
+  image: ruby:3.0
+  script:
+    - bundle exec rake spec
+
+unit tests ruby3.1:
+  image: ruby:3.1
+  script:
+    - bundle exec rake spec