source 'https://rubygems.org' gem 'github-pages', group: :jekyll_plugins gem 'wdm', '>= 0.1.0' if RbConfig::CONFIG['target_os'] =~ /mswin|mingw|cygwin/i gem 'nokogiri', '>= 1.8.5' gem 'ffi', '>= 1.9.24' gem 'jekyll', '>= 3.6.3' gem 'kramdown', '>= 2.3.0'