--- pyproject.toml.orig	2026-07-10 16:54:24 UTC
+++ pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
 # setuptools>=77 is required for the SPDX ``license`` expression used in
 # setup.py (see PEP 639).
-requires = ["setuptools>=77"]
+requires = ["setuptools>=61"]
 build-backend = "setuptools.build_meta"