.rubocop.yml in openstudio-calibration-0.4.0 vs .rubocop.yml in openstudio-calibration-0.5.0

@@ -1,5 +1,7 @@
 AllCops:
   Exclude:
     - 'spec/test_measures/**/*'
+
+require: rubocop-performance
 inherit_from:
-  - http://s3.amazonaws.com/openstudio-resources/styles/rubocop_v3.yml
+    - http://s3.amazonaws.com/openstudio-resources/styles/rubocop_v4.yml