Gemfile in edtf-2.1.0 vs Gemfile in edtf-2.2.0

@@ -1,20 +1,20 @@
 source 'https://rubygems.org'
 gemspec
 
 group :debug do
   gem 'ruby-debug', :require => false, :platform => :jruby
-  gem 'debugger', ['~>1.6', '>=1.6.5'], :require => false, :platform => :mri
+  gem 'byebug', :require => false, :platform => :mri
   gem 'rubinius-compiler', '~>2.0', :require => false, :platform => :rbx
   gem 'rubinius-debugger', '~>2.0', :require => false, :platform => :rbx
 end
 
 group :development do
   gem 'rake'
   gem 'racc', :platform => :ruby
   gem 'cucumber'
-  gem 'rspec'
+  gem 'rspec', '~>3.0'
   gem 'simplecov', '~>0.8', :require => false
   gem 'rubinius-coverage', :platform => :rbx
   gem 'coveralls', :require => false
 end
 
@@ -24,8 +24,13 @@
 
 # active_support requires this
 gem 'i18n'
 
 platform :rbx do
-  gem 'rubysl', '~>2.0'
+  gem 'rubysl-singleton', '~>2.0'
+  gem 'rubysl-open3', '~>2.0'
+  gem 'rubysl-enumerator', '~>2.0'
+  gem 'rubysl-base64', '~>2.0'
+  gem 'rubysl-bigdecimal', '~>2.0'
+  gem 'rubysl-drb', '~>2.0'
   gem 'json'
 end