.rubocop.yml in bcupgrade-0.3.3 vs .rubocop.yml in bcupgrade-0.3.4

@@ -1,9 +1,9 @@
 require: rubocop-rspec
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.0
+  TargetRubyVersion: 2.3
   DisplayCopNames: true
 
 LineLength:
   Max: 120