.rubocop.yml in mikoshi-0.6.0 vs .rubocop.yml in mikoshi-0.6.1

@@ -1,5 +1,8 @@
+AllCops:
+  TargetRubyVersion: 2.3
+
 inherit_gem:
   unasukecop:
     - "config/rubocop.yml"
 
 Style/Documentation:
@@ -11,6 +14,6 @@
   Exclude:
     - 'spec/**/*_spec.rb'
     - 'mikoshi.gemspec'
 
 Metrics/CyclomaticComplexity:
-  Max: 8
+  Max: 10