gistfile1.txt

diff --git a/Gemfile b/Gemfile
index 82a7d16..66de916 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,6 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in mspec.gemspec
 gemspec
+
+gem 'ruby-debug',   :platform => :ruby_18
+gem 'ruby-debug19', :platform => :ruby_19, :require => 'ruby-debug'
diff --git a/mspec.gemspec b/mspec.gemspec
index 90d1539..aaa9eb2 100644
--- a/mspec.gemspec
+++ b/mspec.gemspec
@@ -34,5 +34,4 @@ Gem::Specification.new do |gem|
 
   gem.add_development_dependency "rake",   "~> 0.9"
   gem.add_development_dependency "rspec",  "~> 2.8"
-  gem.add_development_dependency "ruby-debug", "~> 0.10"
 end