diff --git a/pyproject.toml b/pyproject.toml
index b7e5a86..f5a4f60 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77"]      # PEP 639 的 SPDX 许可证写法需要 77+
+requires = ["setuptools>=84.0.0"]      # PEP 639 的 SPDX 许可证写法需要 77+
 build-backend = "setuptools.build_meta"
 
 [project]