Gemfile in PlayRockPaperScissorsGame-2.1.1 vs Gemfile in PlayRockPaperScissorsGame-2.1.2

@@ -4,8 +4,9 @@
 	gemspec
 	group :test do
 		gem 'bundler' , '~> 1.14.6'  , :require => true
 		gem 'colorize', '~> 0.8.1'   , :require => true
 		gem 'rake'    , '~> 12.0.0'  , :require => true
+		gem 'rdoc'    , '~> 5.1.0'   , :require => true
 		gem 'rvm'     , '~> 1.11.3.9', :require => true
 	end
 end
\ No newline at end of file