diff --git a/pyproject.toml b/pyproject.toml
index d3e5531..9fd2d57 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,8 +46,8 @@ Documentation = "https://python-plyfile.readthedocs.io"
 Repository = "https://github.com/dranjan/python-plyfile"
 
 [build-system]
-requires = ["pdm-pep517>=1.0.0"]
-build-backend = "pdm.pep517.api"
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"
 
 [tool.pdm.scripts]
 test-quick = "pytest test -v"