diff --git a/pyproject.toml b/pyproject.toml
index b3758e40..903cf055 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ test = [
     "flake8>=5.0.4",
     "aiofiles>=0.8.0,<24",
     "a2wsgi>=1.9.0,<2",
-    "asyncz>=0.5.0",
+    "asyncz>=0.6.0",
     "anyio[trio]>=3.6.2,<5.0.0",
     "asyncio[trio]>=3.4.3,<4.0.0",
     "httpx>=0.25.0,<0.30.0",
diff --git a/tests/schedulers/asyncz/test_scheduler.py b/tests/schedulers/asyncz/test_scheduler.py
index 11367c90..e7ee29ae 100644
--- a/tests/schedulers/asyncz/test_scheduler.py
+++ b/tests/schedulers/asyncz/test_scheduler.py
@@ -81,14 +81,14 @@ def scheduler_tasks() -> Dict[str, str]:
     }
 
 
-@scheduler(name="task1", trigger=IntervalTrigger(seconds=1), max_intances=3, is_enabled=True)
+@scheduler(name="task1", trigger=IntervalTrigger(seconds=1), max_instances=3, is_enabled=True)
 def task_one():  # pragma: no cover
     value = 3
     logger.info(value)
     return 3
 
 
-@scheduler(name="task2", trigger=IntervalTrigger(seconds=3), max_intances=3, is_enabled=True)
+@scheduler(name="task2", trigger=IntervalTrigger(seconds=3), max_instances=3, is_enabled=True)
 def task_two():  # pragma: no cover
     value = 8
     logger.info(value)