Appraisals in file_validators-1.2.0 vs Appraisals in file_validators-2.0.0

@@ -14,6 +14,10 @@
   gem 'activemodel', '4.0.10'
 end
 
 appraise 'activemodel-4.1' do
   gem 'activemodel', '4.1.6'
-end
\ No newline at end of file
+end
+
+appraise 'activemodel-4.2' do
+  gem 'activemodel', '4.2.3'
+end