source 'https://rubygems.org' group :development, :test do gem 'jekyll', '~> 3.1.1' gem 'jekyll-redirect-from', '~> 0.9.1' gem 'jekyll-seo-tag', '~> 0.1.3' gem 'jekyll-sitemap', '~> 0.10.0' gem 'scss_lint', '~> 0.43' end