Gemfile in bullet-4.7.1 vs Gemfile in bullet-4.8.0

@@ -1,14 +1,21 @@
 source "https://rubygems.org"
 
 gemspec
 
 gem 'rails', github: 'rails/rails'
-gem 'sqlite3'
-gem 'mysql2'
+gem 'sqlite3', platforms: [:ruby]
+gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
+gem 'mysql2', platforms: [:ruby]
+gem 'activerecord-jdbcmysql-adapter', platforms: [:jruby]
 gem 'activerecord-import'
 
 gem "rspec"
 gem "guard"
 gem "guard-rspec"
 
 gem 'coveralls', require: false
+
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
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