diff -rup configparser-4.0.2-orig/pyproject.toml configparser-4.0.2/pyproject.toml
--- configparser-4.0.2-orig/pyproject.toml 2021-03-22 21:28:11.000000000 +0100
+++ configparser-4.0.2/pyproject.toml 2021-03-22 21:28:11.000000000 +0100
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=40.7", "wheel", "setuptools_scm>=1.15"]
+requires = ["setuptools<=42.0", "wheel", "setuptools_scm<6.0.0"]
 build-backend = "setuptools.build_meta"

 [tool.black]