futex.gemspec in futex-0.3.1 vs futex.gemspec in futex-0.4.0

@@ -29,23 +29,23 @@
     s.required_rubygems_version = Gem::Requirement.new('>= 0')
   end
   s.rubygems_version = '2.3.3'
   s.required_ruby_version = '>=2.3'
   s.name = 'futex'
-  s.version = '0.3.1'
+  s.version = '0.4.0'
   s.license = 'MIT'
   s.summary = 'File-based mutex'
   s.description = 'Ruby Gem for file-based locking'
   s.authors = ['Yegor Bugayenko']
   s.email = '[e-mail]'
   s.homepage = 'http://github.com/yegor256/futex'
   s.files = `git ls-files`.split($RS)
   s.test_files = s.files.grep(%r{^(test)/})
   s.rdoc_options = ['--charset=UTF-8']
   s.extra_rdoc_files = ['README.md']
-  s.add_development_dependency 'minitest', '~>5'
-  s.add_development_dependency 'rake', '~>12'
-  s.add_development_dependency 'rdoc', '~>4'
-  s.add_development_dependency 'rubocop', '0.58.1'
-  s.add_development_dependency 'rubocop-rspec', '~>1'
-  s.add_development_dependency 'threads', '~>0'
+  s.add_development_dependency 'minitest', '5.11.3'
+  s.add_development_dependency 'rake', '12.3.1'
+  s.add_development_dependency 'rdoc', '4.3.0'
+  s.add_development_dependency 'rubocop', '0.60.0'
+  s.add_development_dependency 'rubocop-rspec', '1.30.1'
+  s.add_development_dependency 'threads', '0.3.0'
 end