diff --git a/pyproject.toml b/pyproject.toml
index 7e1406e..ce78160 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
 notifier = "quota_notifier.cli:Application.execute"
 
 [tool.poetry.dependencies]
-python = ">=3.8"
+python = ">=3.9"
 pydantic-settings = "2.3.4"
 sqlalchemy = "2.0.31"