Gemfile in etcd-0.2.4 vs Gemfile in etcd-0.3.0

@@ -5,7 +5,8 @@
 
 gem 'coco'
 gem 'rubocop'
 gem 'guard'
 gem 'guard-rake'
+gem 'json'
 # uuid gem isn't pulling in systemu
 gem 'systemu'