diff --git a/pyproject.toml b/pyproject.toml
index 90289ff2..be643e65 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,8 +2,7 @@
 requires = [
     "setuptools",
     "cython>=0.25",
-    "numpy>=1.15.0; python_version < '3.9'",
-    "numpy>=1.25.0; python_version >= '3.9'",
+    "numpy>=2.0.0,<3.0.0"
 ]
 build-backend = "setuptools.build_meta"