diff --git a/lib/faktory/connection.rb b/lib/faktory/connection.rb
index d611ffd..4cfb673 100644
--- a/lib/faktory/connection.rb
+++ b/lib/faktory/connection.rb
@@ -6,7 +6,7 @@ module Faktory
   class Connection
     class << self
       def create(options = {})
-        size = Faktory.worker? ? (Faktory.options[:concurrency] + 2) : 5
+        size = Faktory.worker? ? (Faktory.options[:concurrency] + 5) : 20
         ConnectionPool.new(timeout: options[:pool_timeout] || 1, size: size) do
           Faktory::Client.new(**options)
         end