diff --git a/pyproject.toml b/pyproject.toml
index 65b9429..71e367a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,11 @@ readme = "README.md"
 license = {text = "MIT"}
 classifiers = [
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Intended Audience :: Developers",