.rubocop.yml in rubocop-md-0.3.2 vs .rubocop.yml in rubocop-md-0.4.0

- old
+ new

@@ -1,6 +1,7 @@
 AllCops:
+  NewCops: enable
   Include:
     - 'lib/**/*.rb'
     - 'lib/**/*.rake'
     - 'test/**/*.rb'
   Exclude:
@@ -10,10 +11,10 @@
     - 'Rakefile'
     - 'Gemfile'
     - '*.gemspec'
   DisplayCopNames: true
   StyleGuideCopsOnly: false
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
 
 Style/Documentation:
   Exclude:
     - 'test/**/*.rb'
 