howitzer.gemspec in howitzer-2.1.1 vs howitzer.gemspec in howitzer-2.2.0

@@ -1,6 +1,6 @@
-require File.expand_path('../lib/howitzer/version', __FILE__)
+require File.expand_path('lib/howitzer/version', __dir__)
 
 Gem::Specification.new do |gem|
   gem.author        = 'Roman Parashchenko'
   gem.email         = '[e-mail]'
   gem.description   = 'Howitzer uses the best practices and design patterns allowing to generate a test project in' \
@@ -14,13 +14,13 @@
   gem.executables   = gem.files.grep(%r{^bin/}).map { |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.name          = 'howitzer'
   gem.require_paths = ['lib']
   gem.version       = Howitzer::VERSION
-  gem.required_ruby_version = '>= 2.2.2'
+  gem.required_ruby_version = '>= 2.3'
 
   gem.add_runtime_dependency 'activesupport', '~>5.0'
-  gem.add_runtime_dependency 'capybara', ['>= 2.1', '< 3.0']
+  gem.add_runtime_dependency 'capybara', '< 4.0'
   gem.add_runtime_dependency 'colorize'
   gem.add_runtime_dependency 'gli'
   gem.add_runtime_dependency 'gmail'
   gem.add_runtime_dependency 'launchy'
   gem.add_runtime_dependency 'log4r', '~>1.1.10'