diff --git a/pyproject.toml b/pyproject.toml
index 2b7ca21..b8fdf61 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,6 +4,7 @@ requires = [
   "Cython >= 0.28",
   "wheel",
 ]
+build-backend = "setuptools.build_meta"
 
 [tool.black]
 target_version = ["py37"]