diff --git a/pyproject.toml b/pyproject.toml
index 4c831d04..94271537 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
+    "License :: OSI Approved :: MIT License",
 ]
 dependencies = [
     "click>=8.0.0,<9",