exercism.gemspec in exercism-0.0.16 vs exercism.gemspec in exercism-0.0.17

@@ -1,6 +1,6 @@
-# coding: utf-8
+# encoding: utf-8
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'exercism/version'
 
 Gem::Specification.new do |spec|
@@ -19,11 +19,20 @@
   spec.require_paths = ["lib"]
 
   spec.add_dependency "faraday"
   spec.add_dependency "thor"
   spec.add_development_dependency "bundler", "~> 1.3"
-  spec.add_development_dependency "rake"
+  spec.add_development_dependency "minitest", '~> 5.0'
   spec.add_development_dependency "vcr", '~> 2.4'
   spec.add_development_dependency "fakeweb"
+  spec.add_development_dependency "rake"
+
+
+  if RUBY_VERSION <= "1.8.7"
+    spec.add_dependency "json"
+    spec.add_development_dependency "nokogiri", "~>1.5.0"
+  else
+    spec.add_development_dependency "nokogiri", "~>1.6.0"
+  end
+
   spec.add_development_dependency "approvals"
-  spec.add_development_dependency "minitest", '~> 5.0'
 end