--- pdm-2.5.1/pyproject.toml.orig	2023-04-10 08:40:02.362534459 +0200
+++ pdm-2.5.1/pyproject.toml	2023-04-10 08:41:01.454905769 +0200
@@ -199,7 +199,5 @@
 ]
 
 [build-system]
-requires = [
-    "pdm-backend",
-]
-build-backend = "pdm.backend"
+requires = ["pdm-pep517>=1.0"]
+build-backend = "pdm.pep517.api"