diff --git a/pyproject.toml b/pyproject.toml
index bb8cb07f2..6a74b1740 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
 ]
 name = "pyqlib"
+license = {text = "MIT License"}
 dynamic = ["version"]
 description = "A Quantitative-research Platform"
 requires-python = ">=3.8.0"