.rubocop.yml in undercover-0.3.4 vs .rubocop.yml in undercover-0.4.0

@@ -1,6 +1,7 @@
 AllCops:
-  TargetRubyVersion: 2.7.0
+  NewCops: enable
+  TargetRubyVersion: 2.5.0
   Exclude:
     - spec/fixtures/**/*
 
 Style/RegexpLiteral:
   EnforcedStyle: slashes