diff --git a/pyproject.toml b/pyproject.toml
index c48d603..cd07d64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ Chat = "https://discord.gg/pallets"
 requires = [
     "pdm-pep517>=1.0.0",
 ]
-build-backend = "pdm.pep517.api"
+build-backend = "pdm.backend"
 
 [tool.pdm.version]
 source = "file"