--- pyproject.toml.orig	2025-08-14 16:51:17 UTC
+++ pyproject.toml
@@ -13,7 +13,7 @@ dynamic = ["version"]
 ]
 description = "N-D labeled arrays and datasets in Python"
 dynamic = ["version"]
-license = "Apache-2.0"
+license = { text = "Apache-2.0" }
 name = "xarray"
 readme = "README.md"
 requires-python = ">=3.11"
@@ -99,7 +99,7 @@ build-backend = "setuptools.build_meta"
 
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools>=77.0.3", "setuptools-scm>=8"]
+requires = ["setuptools>=61", "setuptools-scm>=8"]
 
 [tool.setuptools.packages.find]
 include = ["xarray*"]