diff --git a/pyproject.toml b/pyproject.toml
index 0a78aaae..8661db45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,8 +53,8 @@ video2x = "video2x:main"
 profile = "black"
 
 [tool.pdm]
-version = { from = "video2x/__init__.py" }
+version = { source = "file", path = "video2x/__init__.py" }
 
 [build-system]
-requires = ["pdm-pep517>=1.0.0"]
-build-backend = "pdm.pep517.api"
+requires = ["pdm-backend"]
+build-backend = "pdm.backend"