Gemfile in simple-admin-0.1.2.pre.alpha vs Gemfile in simple-admin-0.2.0.pre.alpha

@@ -4,10 +4,10 @@
 
 ruby '2.4.1'
 
 gem 'rails', '~> 5.0.0'
 
-gem 'pg'
+gem 'pg', '~> 0.18'
 gem 'rdoc', require: false
 
 group :development, :test do
   gem 'factory_bot_rails'
   gem 'rspec-rails'