diff --git a/lib/async/pool/controller.rb b/lib/async/pool/controller.rb
index aaf9d6e..faa26b7 100644
--- a/lib/async/pool/controller.rb
+++ b/lib/async/pool/controller.rb
@@ -20,6 +20,7 @@
 
 require 'async/logger'
 
+require 'async'
 require 'async/notification'
 require 'async/semaphore'
 
diff --git a/lib/async/pool/version.rb b/lib/async/pool/version.rb
index 0afb285..5092205 100644
--- a/lib/async/pool/version.rb
+++ b/lib/async/pool/version.rb
@@ -20,6 +20,6 @@
 
 module Async
 	module Pool
-		VERSION = "0.3.0"
+		VERSION = "0.3.1"
 	end
 end