diff --git a/pyproject.toml b/pyproject.toml
index da96d4f..f4e4caf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = nmreval
 version = 0.1