--- pyproject.toml.orig	2026-06-29 18:06:40 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright (c) 2026 Susi Lehtola
 [build-system]
-requires = ["setuptools>=77", "wheel"]
+requires = ["setuptools>=63", "wheel"]
 build-backend = "setuptools.build_meta"
@@ -10,5 +10,4 @@ description = "Exact Wigner 3j/6j/9j, Clebsch-Gordan,
 description = "Exact Wigner 3j/6j/9j, Clebsch-Gordan, Racah W, Fano X, and Gaunt coefficients via prime factorization"
 readme = "README.md"
 requires-python = ">=3.9"
-license = "BSD-3-Clause"
-license-files = ["LICENSE"]
+license = { text = "BSD-3-Clause" }