diff --git a/requirements.txt b/requirements.txt
index 2e0a5d7e..b41a0e2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,6 @@ grpcio>=1.60.0 # 1.60.0 is the version introducing protobuf 1.25.X support, newe
 protobuf
 pytest
 pytest-asyncio
-anyio
 pytest-cov
 azure-identity
 azure-functions
diff --git a/tests/durabletask/test_orchestration_generator_cleanup.py b/tests/durabletask/test_orchestration_generator_cleanup.py
index 5c1e17e8..80adfd3e 100644
--- a/tests/durabletask/test_orchestration_generator_cleanup.py
+++ b/tests/durabletask/test_orchestration_generator_cleanup.py
@@ -10,7 +10,6 @@
 from unittest.mock import Mock
 from weakref import ReferenceType, ref
 
-import anyio
 import pytest
 
 from durabletask import task, worker
@@ -428,7 +427,7 @@ async def body():
             await anext(opened_resource)
             references["asyncgen"] = ref(opened_resource)
             try:
-                async with anyio.create_task_group():
+                async with asyncio.TaskGroup():
                     await asyncio.Future()
             finally:
                 await asyncio.sleep(0)