build_index do
 202         gem "json", %w(1.8.0)
 203
 204         gem("chef", '10.26') do
 205           dep "json", [">= 1.4.4", "<= 1.7.7"]
 206         end
 207
 208         gem("berkshelf", "2.0.7") do
 209           dep "json", ">= 1.7.7"
 210         end
 211
 212         gem("chef_app_error", '1.0.0') do
 213           dep "berkshelf", "~> 2.0"
 214           dep "chef", "~> 10.26"
 215         end
 216       end