.rubocop.yml in jsonapi-authorization-1.0.0.alpha6 vs .rubocop.yml in jsonapi-authorization-1.0.0.beta1

@@ -1,5 +1,6 @@
 AllCops:
+  TargetRubyVersion: 2.1
   Exclude:
     - 'bin/*'
     - 'spec/dummy/db/schema.rb'
     - 'vendor/bundle/**/*'
     - 'tmp/**/*'