--- pyproject.toml.orig	2026-09-05 18:30:44 UTC
+++ pyproject.toml
@@ -1,6 +1,6 @@ requires = [
 [build-system]
 requires = [
-    "setuptools>=77.0.1",
+    "setuptools>=61",
     "cython>=3.1",
 ]
 build-backend = "setuptools.build_meta"
@@ -16,8 +16,7 @@ maintainers = [
 maintainers = [
     {name = "pyproj contributors"},
 ]
-license = "MIT"
-license-files = ["LICENSE", "LICENSE_proj"]
+license = {text = "MIT"}
 keywords = [
     "GIS",
     "map",