diff --git a/src/itertools/autoload.php b/src/itertools/autoload.php
index <HASH>..<HASH> 100644
--- a/src/itertools/autoload.php
+++ b/src/itertools/autoload.php
@@ -17,6 +17,7 @@ spl_autoload_register(function ($class) {
 		'itertools\ForkingIterator',
 		'itertools\HistoryIterator',
 		'itertools\IterUtil',
+		'itertools\LockingIterator',
 		'itertools\MapIterator',
 		'itertools\PdoIterator',
 		'itertools\Queue',
Added LockingIterator to autoload