diff --git a/a_sync/primitives/locks/__init__.py b/a_sync/primitives/locks/__init__.py
index 711a15ec..75d1dcac 100644
--- a/a_sync/primitives/locks/__init__.py
+++ b/a_sync/primitives/locks/__init__.py
@@ -2,3 +2,4 @@
 from a_sync.primitives.locks.counter import CounterLock
 from a_sync.primitives.locks.event import Event
 from a_sync.primitives.locks.semaphore import DummySemaphore, Semaphore, ThreadsafeSemaphore
+from a_sync.primitives.locks.prio_semaphore import PrioritySemaphore