gemspec.yml in kramdown-man-0.1.8 vs gemspec.yml in kramdown-man-0.1.9

@@ -4,9 +4,16 @@
 license: MIT
 authors: Postmodern
 email: [e-mail]
 homepage: https://github.com/postmodern/kramdown-man#readme
 
+metadata:
+  documentation_uri: https://rubydoc.info/gems/kramdown-man
+  source_code_uri:   https://github.com/postmodern/kramdown-man
+  bug_tracker_uri:   https://github.com/postmodern/kramdown-man/issues
+  changelog_uri:     https://github.com/postmodern/kramdown-man/blob/master/ChangeLog.md
+  rubygems_mfa_required: 'true'
+
 dependencies:
   kramdown: ~> 2.0
 
 development_dependencies:
   bundler: ~> 2.0