set.gemspec in set-0.1.0 vs set.gemspec in set-1.0.0

@@ -1,18 +1,19 @@
 Gem::Specification.new do |spec|
   spec.name          = "set"
-  spec.version       = "0.1.0"
+  spec.version       = "1.0.0"
   spec.authors       = ["Akinori MUSHA"]
   spec.email         = ["[e-mail]"]
 
   spec.summary       = %q{Provides a class to deal with collections of unordered, unique values}
   spec.description   = %q{Provides a class to deal with collections of unordered, unique values}
   spec.homepage      = "https://github.com/ruby/set"
+  spec.license       = "BSD-2-Clause"
   spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
-  spec.licenses      = ["Ruby", "BSD-2-Clause"]
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["changelog_uri"] = "https://github.com/ruby/set/blob/v#{spec.version}/CHANGELOG.md"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
   spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
     `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }