Appraisals in zero_downtime-0.3.0 vs Appraisals in zero_downtime-0.4.0

@@ -9,7 +9,11 @@
 appraise 'rails-4.2' do
   gem 'activerecord', '~> 4.2.0'
 end
 
 appraise 'rails-5.0' do
-  gem 'activerecord', '~> 5.0.0.beta1'
+  gem 'activerecord', '~> 5.0.0'
+end
+
+appraise 'rails-5.1' do
+  gem 'activerecord', '~> 5.1.0.beta1'
 end