Gemfile in rb-dayone-0.4.0 vs Gemfile in rb-dayone-0.4.1

@@ -1,5 +1,6 @@
 source :rubygems
 
 gem 'builder', '~> 2.0'
 gem 'commander', '~> 4.1.2'
-gem 'libxml-ruby', '~> 2.3.3'
+gem 'libxml-ruby', '~> 2.3.3'
+gem 'nokogiri', '~> 1.5.0'
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