diff --git a/setup.py b/setup.py
index b75b1f7..b5b99e3 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
     'pytest>=5.2',
     'httpx>=0.15.4',
     'async_generator>=1.10',
-    'websockets>=9.1,<10.0',
+    'websockets>=9.1,<11.0',
 ]
 
 tests_require = []