diff --git a/Gemfile b/Gemfile
index 2a85bf3e..7b02dfa5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,6 +11,9 @@ group :test do
   gem 'shoulda', '~> 2.10.3'
   gem 'edavis10-object_daddy', :require => 'object_daddy'
   gem 'mocha'
+
+  platforms :mri_18 do gem 'ruby-debug' end
+  platforms :mri_19 do gem 'ruby-debug19', :require => 'ruby-debug' end
 end
 
 group :openid do
@@ -36,7 +39,7 @@ platforms :mri do
   group :mysql2 do
     gem "mysql2", "~> 0.2.7"
   end
-  
+
   group :postgres do
     gem "pg", "~> 0.9.0"
     #   gem "postgres-pr"
@@ -61,11 +64,11 @@ platforms :jruby do
   group :mysql do
     gem "activerecord-jdbcmysql-adapter"
   end
-  
+
   group :postgres do
     gem "activerecord-jdbcpostgresql-adapter"
   end
-  
+
   group :sqlite do
     gem "activerecord-jdbcsqlite3-adapter"
   end