Gemfile.rails-4-beta in bullet-4.3.0 vs Gemfile.rails-4-beta in bullet-4.3.1

@@ -2,17 +2,13 @@
 # Use `bundle exec rake` in order to run the specs using the bundle
 source "http://rubygems.org"
 
 gemspec
 
-gem 'rails', github: 'rails/rails'
-gem 'journey', github: 'rails/journey'
-gem 'activerecord-deprecated_finders', github: 'rails/activerecord-deprecated_finders'
+gem 'rails', '4.0.0.beta1'
 gem 'sqlite3'
-gem 'mysql'
+gem 'mysql2'
 gem 'activerecord-import'
 
 gem "rspec"
 gem "guard"
 gem "guard-rspec"
-
-gem "perftools.rb"