grape.gemspec in grape-1.2.5 vs grape.gemspec in grape-1.3.0

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 $LOAD_PATH.unshift File.expand_path('../lib', __FILE__)
 require 'grape/version'
 
 Gem::Specification.new do |s|
   s.name        = 'grape'
@@ -9,19 +11,26 @@
   s.email       = ['[e-mail]']
   s.homepage    = 'https://github.com/ruby-grape/grape'
   s.summary     = 'A simple Ruby framework for building REST-like APIs.'
   s.description = 'A Ruby framework for rapid API development with great conventions.'
   s.license     = 'MIT'
+  s.metadata    = {
+    'bug_tracker_uri'   => 'https://github.com/ruby-grape/grape/issues',
+    'changelog_uri'     => "https://github.com/ruby-grape/grape/blob/v#{s.version}/CHANGELOG.md",
+    'documentation_uri' => "https://www.rubydoc.info/gems/grape/#{s.version}",
+    'source_code_uri'   => "https://github.com/ruby-grape/grape/tree/v#{s.version}"
+  }
 
   s.add_runtime_dependency 'activesupport'
   s.add_runtime_dependency 'builder'
+  s.add_runtime_dependency 'dry-types', '>= 1.1'
   s.add_runtime_dependency 'mustermann-grape', '~> 1.0.0'
   s.add_runtime_dependency 'rack', '>= 1.3.0'
   s.add_runtime_dependency 'rack-accept'
-  s.add_runtime_dependency 'virtus', '>= 1.0.0'
 
   s.files         = %w[CHANGELOG.md CONTRIBUTING.md README.md grape.png UPGRADING.md LICENSE]
   s.files        += %w[grape.gemspec]
   s.files        += Dir['lib/**/*']
   s.test_files    = Dir['spec/**/*']
   s.require_paths = ['lib']
+  s.required_ruby_version = '>= 2.4.0'
 end