diff --git a/rust/pyproject.toml b/rust/pyproject.toml
index 35b1dc7d4..a07ba953a 100644
--- a/rust/pyproject.toml
+++ b/rust/pyproject.toml
@@ -9,6 +9,7 @@ description = "SGLang router is a standalone module implemented in Rust to achie
 authors = [{name = "Byron Hsu", email = "byronhsu1230@gmail.com"}]
 requires-python = ">=3.8"
 readme = "README.md"
+license = { file = "LICENSE" }
 classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Rust",