Gemfile in gdatastore_mapper-0.1.0 vs Gemfile in gdatastore_mapper-0.1.1

@@ -1,9 +1,13 @@
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in gdatastore_mapper.gemspec
 gemspec
 
+gem 'activemodel', '~> 5.0.1'
+gem 'activesupport', '~> 5.0.1'
+gem 'rake'
+
 group :test do
   gem 'byebug', platform: :mri
   gem 'factory_girl_rails', require: false
   gem 'pry-rails'
   gem 'pry-doc'