diff --git a/lib/async/io.rb b/lib/async/io.rb
index 523831c..683b7ed 100644
--- a/lib/async/io.rb
+++ b/lib/async/io.rb
@@ -11,6 +11,7 @@
 
 require_relative "io/endpoint"
 require_relative "io/endpoint/each"
+require_relative "io/shared_endpoint"
 
 module Async
 	module IO