.rubocop.yml in paperclip-globalize3-3.3.0 vs .rubocop.yml in paperclip-globalize3-4.0.0

@@ -9,10 +9,10 @@
     - '**/*.rake'
     - '**/*.gemfile'
     - '**/Gemfile'
     - '**/Rakefile'
     - '**/Capfile'
-  TargetRubyVersion: 2.2
+  TargetRubyVersion: 2.4
 
 Layout/AlignHash:
   EnforcedColonStyle: 'table'
 
 Layout/AlignParameters: