Gemfile in chef-dk-0.15.16 vs Gemfile in chef-dk-0.16.28

@@ -1,7 +1,7 @@
 #
-# Copyright:: Copyright (c) 2014 Chef Software Inc.
+# Copyright:: Copyright (c) 2014-2016 Chef Software Inc.
 # License:: Apache License, Version 2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -25,10 +25,13 @@
 gem "chef-dk", path: "."
 
 # EXPERIMENTAL: ALL gems specified here will be installed in chef-dk omnibus.
 # This represents all gems that will be part of chef-dk.
 
+# TODO remove this when we update Chef to use the new api exposed in 3.5.1
+gem "rspec-core", "= 3.4.4"
+
 group(:omnibus_package, :development, :test) do
   gem "pry"
   gem "rake"
   gem "rdoc"
   gem "yard"
@@ -50,39 +53,42 @@
   gem "chef-provisioning-azure", ">= 0.5.0"
   gem "chef-provisioning-fog", ">= 0.18.0"
   gem "chef-provisioning-vagrant", ">= 0.11.0"
   gem "chef-vault"
   # The chef version is pinned by "rake dependencies", which grabs the current version from omnibus.
-  gem "chef", github: "chef/chef", branch: "v12.11.18"
+  gem "chef", github: "chef/chef", branch: "v12.12.15"
   gem "cheffish", ">= 2.0.3"
   gem "chefspec"
   gem "fauxhai"
   gem "foodcritic", ">= 6.1.1"
   gem "inspec", ">= 0.17.1"
   gem "kitchen-ec2"
+  gem "kitchen-dokken"
   gem "kitchen-inspec"
   gem "kitchen-vagrant"
   gem "knife-windows"
   gem "ohai", ">= 8.13.0"
   gem "test-kitchen"
   # Until listen supports Ruby 2.0 and 2.1
   gem "listen", "< 3.1.0"
   gem "mixlib-install"
 
+  # until dk runs on ruby 2.2.2+
+  gem "activesupport", "< 5.0"
+
   # For Delivery build node
   gem "chef-sugar"
-  gem "knife-supermarket"
   gem "mixlib-versioning"
   gem "artifactory"
   # The opscode-pushy-client version is pinned by "rake dependencies", which grabs the current version from omnibus.
   gem "opscode-pushy-client", github: "chef/opscode-pushy-client", branch: "2.1.0"
   gem "ffi-rzmq-core"
   gem "knife-push"
 
   # All of the following used to be software definitions we included:
   gem "knife-spork"
   gem "dep-selector-libgecode"
-  gem "nokogiri", "1.6.7.2"
+  gem "nokogiri"
   gem "pry-byebug"
   gem "pry-remote"
   gem "pry-stack_explorer"
   gem "rb-readline"
   gem "rubocop"