Gemfile in rspec-paper_trail-0.0.9 vs Gemfile in rspec-paper_trail-0.0.10

@@ -1,4 +1,12 @@
 source 'http://rubygems.org'
 
 # Specify your gem's dependencies in rspec-paper_trail.gemspec
+if RbConfig::CONFIG['RUBY_PROGRAM_VERSION'] == '1.9.3'
+  gem 'debugger'
+elsif %w(1.9.0 1.9.1 1.9.2).include?(RbConfig::CONFIG['RUBY_PROGRAM_VERSION'])
+  gem 'ruby-debug19', :require => 'ruby-debug'
+else
+  gem 'ruby-debug'
+end
+
 gemspec