git-multi.gemspec in git-multi-5.0.0 vs git-multi.gemspec in git-multi-6.0.0

@@ -12,11 +12,21 @@
   spec.summary       = 'The ultimate multi-repo utility for git!'
   spec.description   = 'Run the same git command in a set of related repos'
   spec.homepage      = 'https://github.com/pvdb/git-multi'
   spec.license       = 'MIT'
 
-  spec.files         = Dir.chdir(File.expand_path(__dir__)) do
+  spec.required_ruby_version = ['>= 2.6.0', '< 2.7.0']
+
+  spec.metadata['homepage_uri']    = spec.homepage
+  spec.metadata['source_code_uri'] = spec.homepage
+  spec.metadata['changelog_uri']   = File.join(spec.homepage, 'blob', 'master', 'README.md')
+
+  spec.metadata['rubygems_mfa_required'] = 'true'
+
+  # 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(__dir__)) do
     `git ls-files -z`
       .split("\x0")
       .reject { |f| f.match(%r{^(test|spec|features)/}) }
   end
   spec.bindir        = 'exe'
@@ -32,6 +42,8 @@
   spec.add_development_dependency 'minitest'
   spec.add_development_dependency 'pry'
   spec.add_development_dependency 'pry-rescue'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rubocop'
+  spec.add_development_dependency 'rubocop-minitest'
+  spec.add_development_dependency 'rubocop-rake'
 end