diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..242e366
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,5 @@
+# pyproject.toml
+[build-system]
+# XXX: If your project needs other packages to build properly, add them to this list.
+requires = ["setuptools >= 42.0.0"]
+build-backend = "setuptools.build_meta"