--- pyproject.toml.orig	2026-06-15 03:18:56 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77"]
+requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -8,8 +8,6 @@ requires-python = ">=3.6"
 description = "Convert the Korean lunar calendar to/from the Gregorian solar calendar (KARI standard)."
 readme = "README.md"
 requires-python = ">=3.6"
-license = "MIT"
-license-files = ["LICENSE"]
 authors = [{ name = "Jinil Lee", email = "usingsky@gmail.com" }]
 maintainers = [{ name = "Jinil Lee", email = "usingsky@gmail.com" }]
 keywords = ["calendar", "korean", "lunar", "solar", "음력", "양력", "달력"]