Bundler could not find compatible versions for gem "chef-zero":
  In Gemfile:
    chefspec (~> 3.2.0) ruby depends on
      chef-zero (>= 1.6.2, ~> 1.6) ruby

    chef-zero (2.0.2)

Bundler could not find compatible versions for gem "json":
  In Gemfile:
    chefspec (~> 3.2.0) ruby depends on
      json (<= 1.6.1, >= 1.4.4) ruby

    chef-zero (>= 0) ruby depends on
      json (1.8.1)