Gemfile in elasticsearch-2.0.2 vs Gemfile in elasticsearch-5.0.0.pre

@@ -1,16 +1,16 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in elasticsearch.gemspec
 gemspec
 
-if File.exist? File.expand_path("../../elasticsearch-api/elasticsearch-api.gemspec", __FILE__)
+if File.exists? File.expand_path("../../elasticsearch-api/elasticsearch-api.gemspec", __FILE__)
   gem 'elasticsearch-api', :path => File.expand_path("../../elasticsearch-api", __FILE__), :require => false
 end
 
-if File.exist? File.expand_path("../../elasticsearch-transport/elasticsearch-transport.gemspec", __FILE__)
+if File.exists? File.expand_path("../../elasticsearch-transport/elasticsearch-transport.gemspec", __FILE__)
   gem 'elasticsearch-transport', :path => File.expand_path("../../elasticsearch-transport", __FILE__), :require => false
 end
 
-if File.exist? File.expand_path("../../elasticsearch-extensions", __FILE__)
+if File.exists? File.expand_path("../../elasticsearch-extensions", __FILE__)
   gem 'elasticsearch-extensions', :path => File.expand_path("../../elasticsearch-extensions", __FILE__), :require => true
 end