administrate-field-carrierwave.gemspec in administrate-field-carrierwave-0.3.2 vs administrate-field-carrierwave.gemspec in administrate-field-carrierwave-0.3.3

@@ -1,10 +1,12 @@
-$:.push File.expand_path('../lib', __FILE__)
+# frozen_string_literal: true
 
+$LOAD_PATH.push File.expand_path('lib', __dir__)
+
 Gem::Specification.new do |gem|
   gem.name = 'administrate-field-carrierwave'
-  gem.version = '0.3.2'
+  gem.version = '0.3.3'
   gem.authors = ['Michele Gerarduzzi']
   gem.email = ['[e-mail]']
   gem.homepage = 'https://github.com/zooppa/administrate-field-carrierwave'
   gem.summary = 'Carrierwave field plugin for Administrate'
   gem.description = 'A plugin to manage Carrierwave attachments in Administrate'
@@ -15,8 +17,12 @@
   gem.test_files = `git ls-files -- {test,spec,features}/*`.split("\n")
 
   gem.add_runtime_dependency 'administrate', '< 1.0.0'
   gem.add_runtime_dependency 'rails', '>= 4.2', '< 6'
 
+  gem.add_development_dependency 'guard', '~> 2.14'
+  gem.add_development_dependency 'guard-rspec', '~> 4.7'
+  gem.add_development_dependency 'guard-rubocop', '~> 1.3'
   gem.add_development_dependency 'rake', '~> 12.3'
   gem.add_development_dependency 'rspec', '~> 3.7'
+  gem.add_development_dependency 'rubocop', '~> 0.59'
 end