source 'https://rubygems.org' group :development, :test do gem "github-pages", group: :jekyll_plugins gem 'jekyll', '~> 3.7.0' gem 'jekyll-redirect-from', '~> 0.13.0' gem 'jekyll-sitemap', '~> 1.2.0' gem 'jekyll-toc', '~> 0.5.1' end