.rubocop.yml in polist-1.2.0 vs .rubocop.yml in polist-1.4.0

@@ -1,9 +1,9 @@
 inherit_gem:
   rubocop-config-umbrellio: lib/rubocop.yml
 
 AllCops:
   DisplayCopNames: true
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.7
 
 Naming/MemoizedInstanceVariableName:
   Enabled: false