roo.gemspec in roo-2.8.3 vs roo.gemspec in roo-2.9.0

@@ -15,14 +15,21 @@
 
   spec.files                  = `git ls-files -z`.split("\x0")
   spec.files.reject! { |fn| fn.include?('test/files') }
   spec.require_paths          = ['lib']
 
-  spec.required_ruby_version  = ">= 2.3.0"
+  if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby'
+    spec.required_ruby_version  = ">= 2.6.0"
+  else
+    spec.required_ruby_version  = ">= 2.7.0"
+  end
 
   spec.add_dependency 'nokogiri', '~> 1'
   spec.add_dependency 'rubyzip', '>= 1.3.0', '< 3.0.0'
 
-  spec.add_development_dependency 'rake', '~> 10.1'
+  spec.add_development_dependency 'rake'
   spec.add_development_dependency 'minitest', '~> 5.4', '>= 5.4.3'
   spec.add_development_dependency 'rack', '~> 1.6', '< 2.0.0'
+  if RUBY_VERSION >= '3.0.0'
+    spec.add_development_dependency 'matrix'
+  end
 end