.rubocop.yml in sec_id-2.0.1 vs .rubocop.yml in sec_id-3.0.0

@@ -1,18 +1,27 @@
 require:
   - rubocop-rspec
 
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.5
   DisplayCopNames: true
   DisplayStyleGuide: true
   ExtraDetails: true
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 120
 
 Style/Documentation:
   Enabled: false
+
+Style/HashEachMethods:
+  Enabled: true
+
+Style/HashTransformKeys:
+  Enabled: true
+
+Style/HashTransformValues:
+  Enabled: true
 
 Metrics/BlockLength:
   Exclude:
     - 'spec/**/*'