diff --git a/setup.py b/setup.py
index 7d88ea0..c16a979 100644
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@
 
 install_aiohttp_requires = [
     "aiohttp>=3.8,<4",
+    "aiohttp==3.9.0b0; python_version >= '3.12'",
 ]
 
 install_quart_requires = ["quart>=0.15,<1"]