diff --git a/pyproject.toml b/pyproject.toml
index 6eb3df5..3d40eb1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,5 @@
+[project]
+requires-python = ">=3.13"
+
 [tool.pytest.ini_options]
 asyncio_mode = "auto"