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Gemnasium is shutting down on May 15 2018 because GitHub now has built-in
vulnerability scanning.

  https://gemnasium.com/blog/gemnasium-is-acquired-by-gitlab/
  https://github.com/rubocop-rspec/rubocop-rspec/network/dependencies

bquorning/rubocop-rspec,backus/rubocop-rspec,nevir/rubocop-rspec,backus/rubocop-rspec