diff --git a/src/vennv/vapm/Thread.php b/src/vennv/vapm/Thread.php
index 709e4d106..9f1545369 100644
--- a/src/vennv/vapm/Thread.php
+++ b/src/vennv/vapm/Thread.php
@@ -30,6 +30,7 @@
 use RuntimeException;
 use InvalidArgumentException;
 use Throwable;
+use Traversable;
 use function strlen;
 use function rtrim;
 use function fclose;