logger.gemspec in logger-1.3.0 vs logger.gemspec in logger-1.4.0

@@ -1,27 +1,29 @@
 begin
-  require_relative "lib/logger"
-rescue LoadError
-  # for Ruby core repository
-  require_relative "logger"
+  require_relative "lib/logger/version"
+rescue LoadError # Fallback to load version file in ruby core repository
+  require_relative "logger/version"
 end
 
 Gem::Specification.new do |spec|
   spec.name          = "logger"
   spec.version       = Logger::VERSION
-  spec.authors       = ["SHIBATA Hiroshi"]
-  spec.email         = ["[e-mail]"]
+  spec.authors       = ["Naotoshi Seo", "SHIBATA Hiroshi"]
+  spec.email         = ["[e-mail]", "[e-mail]"]
 
   spec.summary       = %q{Provides a simple logging utility for outputting messages.}
   spec.description   = %q{Provides a simple logging utility for outputting messages.}
   spec.homepage      = "https://github.com/ruby/logger"
   spec.license       = "BSD-2-Clause"
 
-  spec.files         = [".gitignore", ".travis.yml", "Gemfile", "LICENSE.txt", "README.md", "Rakefile", "bin/console", "bin/setup", "lib/logger.rb", "logger.gemspec"]
+  spec.files         = ["Gemfile", "LICENSE.txt", "README.md", "Rakefile", "lib/logger.rb", "logger.gemspec"]
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.required_ruby_version = ">= 2.3.0"
+
+  spec.add_development_dependency "bundler", ">= 0"
   spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency "test-unit"
+  spec.add_development_dependency "rdoc"
 end