diff --git a/pyproject.toml b/pyproject.toml
index 88f4544..1d7f6bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,10 @@ dependencies = [
 readme = "README.md"
 license = {file = "LICENSE"}
 
+[build-system]
+requires = ["setuptools >= 61.0"]
+build-backend = "setuptools.build_meta"
+
 [tool.pytest.ini_options]
 pythonpath = [
   "."