diff --git a/pyproject.toml b/pyproject.toml
index 2ea181d..326cddf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires=['setuptools', 'wheel', 'numpy']
+requires=['setuptools<60.0', 'wheel', 'numpy']