.rubocop.yml in friendly_shipping-0.4.14 vs .rubocop.yml in friendly_shipping-0.5

- old
+ new

@@ -1,6 +1,6 @@
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.5
 
 inherit_from:
 - .rubocop-relaxed.yml
 
 Metrics/BlockLength: