diff --git a/pyproject.toml b/pyproject.toml
index 363c814e5..5395cca7a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = [
     "torch >= 1.4.0",
     "wheel >= 0.30.0"
 ]
-build-backend = "setuptools.build_meta"
+build-backend = "setuptools.build_meta:__legacy__"
 
 [tool.black]
 line-length = 120