Appraisals in trix-rails-1.0.1 vs Appraisals in trix-rails-2.0.0

@@ -12,9 +12,13 @@
 
 appraise 'rails-5.2' do
   gem 'rails', '~> 5.2.0'
 end
 
+appraise 'rails-5.2.1' do
+  gem 'rails', '~> 5.2.1'
+end
+
 appraise 'rails-master' do
   gem 'rails', git: 'https://github.com/rails/rails.git', branch: 'master'
   gem 'arel', git: 'https://github.com/rails/arel.git', branch: 'master'
   %w[rspec-core rspec-expectations rspec-mocks rspec-rails rspec-support].each do |lib|
     gem lib, git: "https://github.com/rspec/#{lib}.git", branch: 'master'