diff --git a/pyproject.toml b/pyproject.toml
index 37487b5..49ad7dd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,9 @@ license = {text = "MIT"}
 requires-python = ">=3.7"
 dependencies = ["ujson>=3.0.0"]
 dynamic = ["version"]
+classifiers = [
+    "License :: OSI Approved :: MIT License",
+]
 
 [project.readme]
 file = "README.md"