--- pyproject.toml.orig	2026-06-06 23:39:08 UTC
+++ pyproject.toml
@@ -1,7 +1,7 @@ requires = [
 [build-system]
 requires = [
     "wheel",
-    "setuptools>=64",
+    "setuptools>=63",
     "setuptools-scm",
     "Cython>=3",
     # taken from scipy (2024/06/28)
@@ -27,8 +27,7 @@ readme = "README.md"
     "numpy>=1.20",
 ]
 readme = "README.md"
-license = "BSD-3-Clause"
-license-files = ["LICENSE.txt"]
+license = {text = "BSD-3-Clause"}
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",