s.add_runtime_dependency 'andand', '~> 1.3', '>= 1.3.3'
s.add_runtime_dependency 'oj', '~> 3.0'
s.add_runtime_dependency 'curb', '~> 0.8'
+ s.add_runtime_dependency 'launchy', '< 2.5'
# arvados-google-api-client 0.8.7.2 is incompatible with faraday 0.16.2
s.add_dependency('faraday', '< 0.16')
s.homepage =