.rubocop.yml in suika-0.1.4 vs .rubocop.yml in suika-0.2.0

@@ -1,10 +1,11 @@
 require:
   - rubocop-performance
   - rubocop-rspec
 
 AllCops:
-  TargetRubyVersion: 2.4
+  NewCops: enable
+  TargetRubyVersion: 2.5
   DisplayCopNames: true
   DisplayStyleGuide: true
   Exclude:
     - 'bin/*'
     - 'suika.gemspec'