diff --git a/lib/docs/core/requester.rb b/lib/docs/core/requester.rb
index 6f2d68a4..fb086388 100644
--- a/lib/docs/core/requester.rb
+++ b/lib/docs/core/requester.rb
@@ -14,7 +14,7 @@ module Docs
 
     def initialize(options = {})
       @request_options = options.extract!(:request_options)[:request_options].try(:dup) || {}
-      options[:max_concurrency] ||= 5
+      options[:max_concurrency] ||= 20
       super
     end