gman.gemspec in gman-7.0.3 vs gman.gemspec in gman-7.0.4

@@ -22,21 +22,23 @@
   s.executables   = `git ls-files -- bin/*`.split("\n").map do |f|
     File.basename(f)
   end
 
   s.require_paths = ['lib']
-  s.required_ruby_version = '~> 2.3'
+  s.required_ruby_version = '~> 2.5'
 
   s.add_dependency('colored', '~> 1.2')
   s.add_dependency('iso_country_codes', '~> 0.6')
   s.add_dependency('naughty_or_nice', '= 2.1.1')
-  s.add_dependency('public_suffix', '~> 3.0')
+  s.add_dependency('public_suffix', '>= 3.0')
 
   s.add_development_dependency('addressable', '~> 2.3')
   s.add_development_dependency('mechanize', '~> 2.7')
   s.add_development_dependency('parallel', '~> 1.6')
   s.add_development_dependency('pry', '~> 0.10')
   s.add_development_dependency('rspec', '~> 3.5')
-  s.add_development_dependency('rubocop', '~> 0.37')
+  s.add_development_dependency('rubocop', '~> 1.0')
+  s.add_development_dependency('rubocop-performance', '~> 1.5')
+  s.add_development_dependency('rubocop-rspec', '~> 2.0')
   s.add_development_dependency('ruby-prof', '~> 0.15')
   s.add_development_dependency('swot', '~> 1.0')
 end