.rubocop.yml in api-auth-2.4.1 vs .rubocop.yml in api-auth-2.5.0

@@ -1,19 +1,23 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.4
+  TargetRubyVersion: 2.5
 
 Metrics/AbcSize:
-  Max: 25
+  Max: 28
 
 # Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
 # URISchemes: http, https
 Layout/LineLength:
   Max: 140
 
 Metrics/MethodLength:
   Max: 40
+
+Metrics/BlockLength:
+  Exclude:
+    - 'spec/**/*.rb'
 
 Naming/FileName:
   Exclude:
     - 'lib/api-auth.rb'