loog.gemspec in loog-0.3.1 vs loog.gemspec in loog-0.4.0

@@ -25,23 +25,17 @@
 require 'English'
 Gem::Specification.new do |s|
   s.required_rubygems_version = Gem::Requirement.new('>= 0') if s.respond_to? :required_rubygems_version=
   s.required_ruby_version = '>=2.3'
   s.name = 'loog'
-  s.version = '0.3.1'
+  s.version = '0.4.0'
   s.license = 'MIT'
   s.summary = 'Object-oriented logging wrapper'
   s.description = 'Object-oriented wrapper for Ruby default logging facility'
   s.authors = ['Yegor Bugayenko']
   s.email = '[e-mail]'
   s.homepage = 'http://github.com/yegor256/loog'
   s.files = `git ls-files`.split($RS)
   s.rdoc_options = ['--charset=UTF-8']
   s.extra_rdoc_files = ['README.md']
-  s.add_development_dependency 'codecov', '0.6.0'
-  s.add_development_dependency 'minitest', '5.18.0'
-  s.add_development_dependency 'rake', '13.0.6'
-  s.add_development_dependency 'rdoc', '6.5.0'
-  s.add_development_dependency 'rubocop', '1.48.1'
-  s.add_development_dependency 'rubocop-rspec', '2.19.0'
   s.metadata['rubygems_mfa_required'] = 'true'
 end