diff --git a/pyproject.toml b/pyproject.toml
index 7486f132..1832948e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ requires = [
   "numpy==1.21.2; python_version=='3.10' and platform_system!='Darwin'",
   "numpy==1.21.4; python_version=='3.10' and platform_system=='Darwin'",
   "numpy==1.23.5; python_version=='3.11'",
-  "numpy>=1.26.4; python_version>='3.12'",
+  "numpy<=2.0.0,numpy>=1.26.4; python_version>='3.12'",
   "pip",
   "scikit-build>=0.14.0",
   "setuptools==59.2.0",