.rubocop.yml in attr-gather-1.2.0 vs .rubocop.yml in attr-gather-1.2.1

@@ -2,10 +2,11 @@
   - rubocop-performance
 
 AllCops:
   UseCache: true
   CacheRootDirectory: './tmp/cache'
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.4
+  NewCops: enable
 
 Metrics/BlockLength:
   Exclude:
     - spec/**/*.rb