source "https://rubygems.org/" group :development do gem "chefstyle", git: "https://github.com/chef/chefstyle.git" end if RUBY_VERSION.to_f >= 2.0 group :changelog do gem "github_changelog_generator", git: "https://github.com/tduffield/github-changelog-generator", branch: "adjust-tag-section-mapping" end end gemspec