source 'https://rubygems.org' gem 'gitlab' # activesupport >= 5.0.0 requires ruby 2.2 which break jessie support gem 'activesupport', '< 5.0.0' # both following gems will break on jessie with # Gem::InstallError: rest-client requires Ruby version >= 2.0.0. # even when ruby 2.1 ist installed. So we pin earlier versions: gem 'mime-types', '2.6.2' gem 'rest-client', '< 2.0.0' gemspec