Gemfile in pagseguro-0.1.1 vs Gemfile in pagseguro-0.1.2

@@ -2,8 +2,15 @@
 
 gem "rails", "3.0.1"
 gem "fakeweb"
 gem "rspec-rails", "2.0.1"
 gem "faker"
-gem "ruby-debug19", :require => false
 gem "nokogiri"
 gem "sqlite3-ruby"
+
+platforms :mri_19 do
+  gem "ruby-debug19", :require => "ruby-debug"
+end
+
+platforms :mri_18 do
+  gem "ruby-debug"
+end