diff --git a/pyproject.toml b/pyproject.toml
index 8b498e8f..acb682d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["setuptools", "wheel", "cython", "numpy<1.20; python_version<'3.10'", "numpy; python_version>='3.10'"]
+requires = ["setuptools", "wheel", "cython", "numpy<2.0"]
 build-backend = "setuptools.build_meta"