rack-component.gemspec in rack-component-0.4.2 vs rack-component.gemspec in rack-component-0.5.0

@@ -28,13 +28,16 @@
   end
   spec.bindir        = 'bin'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.2'
+  spec.required_ruby_version = '>= 2.3'
 
   spec.add_development_dependency 'benchmark-ips', '~> 2.7'
-  spec.add_development_dependency 'bundler', '~> 1.16'
+  spec.add_development_dependency 'bundler', '~> 2'
+  spec.add_development_dependency 'erubi', '~> 1.8'
+  spec.add_development_dependency 'haml', '~> 5'
+  spec.add_development_dependency 'liquid', '~> 4'
   spec.add_development_dependency 'pry', '~> 0.11'
   spec.add_development_dependency 'rack', '~> 2.0.6'
   spec.add_development_dependency 'rack-test', '~> 0'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'reek', '~> 5'