source "https://rubygems.org" gem "jekyll", "~> 3.8.6" group :jekyll_plugins do gem "jekyll-feed", "~> 0.6" gem "jekyll-assets" gem "jekyll-seo" gem "jekyll-seo-tag", '~> 2.5' gem "jekyll-sitemap" gem 'jekyll-twitter-plugin' end