spree_gateway.gemspec in spree_gateway-3.3.2 vs spree_gateway.gemspec in spree_gateway-3.3.3

@@ -1,10 +1,10 @@
 # coding: utf-8
 Gem::Specification.new do |s|
   s.platform    = Gem::Platform::RUBY
   s.name        = 'spree_gateway'
-  s.version     = '3.3.2'
+  s.version     = '3.3.3'
   s.summary     = 'Additional Payment Gateways for Spree Commerce'
   s.description = s.summary
 
   s.author       = 'Spree Commerce'
   s.email        = '[e-mail]'
@@ -28,10 +28,10 @@
   s.add_development_dependency 'factory_bot'
   s.add_development_dependency 'ffaker'
   s.add_development_dependency 'guard-rspec'
   s.add_development_dependency 'launchy'
   s.add_development_dependency 'mysql2'
-  s.add_development_dependency 'pg'
+  s.add_development_dependency 'pg', '~> 0.18'
   s.add_development_dependency 'poltergeist'
   s.add_development_dependency 'pry'
   s.add_development_dependency 'rspec-activemodel-mocks'
   s.add_development_dependency 'rspec-rails'
   s.add_development_dependency 'bootstrap-sass', '>= 3.3.5.1'