ddtrace 0.21.0

• addressable 2.4.0 ~> 2.4.0

• appraisal 2.5.0 ~> 2.2

• builder 3.3.0 >= 0

• climate_control 0.2.0 ~> 0.2.0

• minitest 5.10.1 = 5.10.1

• pry 0.10.4 ~> 0.10.4

• pry-stack_explorer 0.4.9.3 ~> 0.4.9.2

• rake 13.2.1 >= 10.5

• redcarpet 3.6.0 ~> 3.4

• rspec 3.13.0 ~> 3.0

• rspec-collection_matchers 1.2.1 ~> 1.1

• rubocop 0.49.1 = 0.49.1

• ruby-prof 1.7.1 >= 0

• sqlite3 1.3.13 ~> 1.3.6

• webmock 2.3.2 ~> 2.0

• yard 0.9.37 ~> 0.9