diff --git a/setup.py b/setup.py
index 2e15238..e8394f9 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
         'pyrabbit',
     ],
     install_requires=[
-        'anyio>=3,<4',
+        'anyio>=3',
         'pamqp>=3,<4',
     ],
     keywords=['asyncio', 'amqp', 'rabbitmq', 'aio', 'trio'],