diff --git a/pyproject.toml b/pyproject.toml
index cfd93fa..dbeeedf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,6 @@ classifiers = [
     "Operating System :: MacOS :: MacOS X",
     "Operating System :: iOS",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",