diff --git a/lib/mach.rb b/lib/mach.rb
index b98cbf1..d51b7fb 100644
--- a/lib/mach.rb
+++ b/lib/mach.rb
@@ -1,2 +1,6 @@
+require 'mach/port'
+require 'mach/semaphore'
+require 'mach/task'
+
 module Mach
 end