diff --git a/pyproject.toml b/pyproject.toml
index 40a52f566..e92d278d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,11 +12,10 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python",
     "Topic :: Software Development",
 ]
-requires-python = ">=3.9,<3.13"
+requires-python = ">=3.10,<3.13"
 dynamic = ["dependencies", "optional-dependencies", "version"]
 
 [project.urls]