kameleon-builder.gemspec in kameleon-builder-2.0.0 vs kameleon-builder.gemspec in kameleon-builder-2.1.0

@@ -1,6 +1,8 @@
 # coding: utf-8
+RUBYONEX = RUBY_VERSION < "2.0"
+
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'kameleon/version'
 
 Gem::Specification.new do |s|
@@ -22,13 +24,17 @@
   s.files         = `git ls-files`.split($/)
   s.executables   = s.files.grep(%r{^bin/}) { |f| File.basename(f) }
   s.test_files    = s.files.grep(%r{^(tests|s|features)/})
   s.require_paths = ["lib"]
 
-  s.add_dependency 'childprocess', '~> 0.3'
+  s.required_ruby_version     = RUBYONEX ? '>= 1.9.3' : '>= 2.0.0'
+
+  s.add_dependency 'childprocess', '~> 0.5'
   s.add_dependency 'thor', '~> 0.15'
   s.add_dependency 'table_print', '~> 1.5'
   s.add_dependency 'log4r-color', '~> 1.2'
+  s.add_dependency 'syck', '~> 1.0.0' unless RUBYONEX
+  s.add_dependency 'diffy', '~> 3.0.4'
 
   s.add_development_dependency 'pry', '~> 0.9'
   s.add_development_dependency 'pry-debugger', '~> 0.2'
   s.add_development_dependency 'rake', '~> 10.1'
   s.add_development_dependency 'minitest', '~> 4.7'