.rubocop.yml in proxes-0.7.1 vs .rubocop.yml in proxes-0.8.0

@@ -10,6 +10,6 @@
 Style/LeadingCommentSpace:
   Exclude:
     - 'config.ru'
 
 AllCops:
-  TargetRubyVersion: 1.9
\ No newline at end of file
+  TargetRubyVersion: 2.2