random-port.gemspec in random-port-0.3.0 vs random-port.gemspec in random-port-0.3.1

@@ -29,22 +29,22 @@
     s.required_rubygems_version = Gem::Requirement.new('>= 0')
   end
   s.rubygems_version = '2.3.3'
   s.required_ruby_version = '>=2.3'
   s.name = 'random-port'
-  s.version = '0.3.0'
+  s.version = '0.3.1'
   s.license = 'MIT'
   s.summary = 'Random TCP port'
   s.description = 'Reserves a random TCP port'
   s.authors = ['Yegor Bugayenko']
   s.email = '[e-mail]'
   s.homepage = 'http://github.com/yegor256/random-port'
   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', '~>5.11'
-  s.add_development_dependency 'rake', '~>12.3'
-  s.add_development_dependency 'rdoc', '~>4.2'
+  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', '0.58.1'
   s.add_development_dependency 'rubocop-rspec', '1.27.0'
 end