.rubocop.yml in with_model-2.1.3 vs .rubocop.yml in with_model-2.1.4

@@ -1,9 +1,9 @@
 inherit_gem:
   lint-config-ruby:
     - default.yml
 
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
 
 Lint/MissingCopEnableDirective:
   Enabled: false