Appraisals in secondbase-2.1.3 vs Appraisals in secondbase-2.1.4

@@ -15,5 +15,10 @@
 
 appraise 'rails50' do
   gem 'rails', '~> 5.0.0'
   gem 'mysql2'
 end
+
+appraise 'rails51' do
+  gem 'rails', '~> 5.1.0'
+  gem 'mysql2'
+end