diff --git a/stdlib/3/queue.pyi b/stdlib/3/queue.pyi
index ae1614f11..1eb7360fa 100644
--- a/stdlib/3/queue.pyi
+++ b/stdlib/3/queue.pyi
@@ -26,5 +26,5 @@ class Queue(Generic[_T]):
     def _qsize(self) -> int: ...
     def task_done(self) -> None: ...
 
-class PriorityQueue(Queue): ...
-class LifoQueue(Queue): ...
+class PriorityQueue(Queue[_T]): ...
+class LifoQueue(Queue[_T]): ...