.rubocop.yml in undercover-0.4.5 vs .rubocop.yml in undercover-0.4.6

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