Gemfile

source 'https://rubygems.org'
gem 'github-pages', group: :jekyll_plugins

gem "sprockets", "~> 3.7"
gem "webrick", "~> 1.7"

# Fix ffi version to fix the following bug:
#   ffi-1.17.0-x86_64-linux-musl requires rubygems version >= 3.3.22, which is
#   incompatible with the current version, 2.7.6.2
gem "ffi", "< 1.17.0"