diff --git a/pyproject.toml b/pyproject.toml
index 9474cd18..7c788754 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ dynamic = ["version"]
 description = "Bluetooth Stack for Apps, Emulation, Test and Experimentation"
 readme = "README.md"
 authors = [{ name = "Google", email = "bumble-dev@google.com" }]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dependencies = [
     "aiohttp ~= 3.8; platform_system!='Emscripten'",
     "appdirs >= 1.4; platform_system!='Emscripten'",