Gemfile in sequenced-2.0.0 vs Gemfile in sequenced-3.0.0

@@ -6,9 +6,15 @@
 gemspec
 
 # jquery-rails is used by the dummy application
 gem "jquery-rails"
 
+group :development, :test do
+  gem 'sqlite3'
+  # gem 'mysql2'
+  gem 'pg'
+end
+
 # Declare any dependencies that are still in development here instead of in
 # your gemspec. These might include edge Rails or gems from your path or
 # Git. Remember to move these dependencies to your gemspec before releasing
 # your gem to rubygems.org.