source 'https://rubygems.org' # Specify your gem's dependencies in ladder_drive.gemspec gemspec gem "test-unit" gem "activesupport", '~> 4.2', '>= 4.2.7' gem 'pi_piper', ">= 2.0.0" gem "ffi", "~> 1.9.24" gem 'serialport' gem 'google_drive' gem "ruby-trello"