rails_52.gemfile in activeadmin-rb-1.5.1

- old
+ new

@@ -1,13 +1,15 @@
 source "https://rubygems.org"
 
 eval_gemfile(File.expand_path(File.join("..", "Gemfile"), __dir__))
 
 gem "rails", "5.2.1"
+gem "sprockets", "< 4"
 gem "bootsnap"
 gem "devise", "~> 4.4"
 gem "draper", "~> 3.0"
 gem "ransack", "2.0" # 2.x for Rails 5.2+ only.
 gem "rails-i18n"
+gem 'sqlite3', '< 1.4', platforms: :mri
 gem "activerecord-jdbcsqlite3-adapter", ">= 52.0", platforms: :jruby
 
 gemspec path: "../"