diff --git a/pyproject.toml b/pyproject.toml
index a987fa3..82f787f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["meson>=0.63.0",
             "meson-python",
             "setuptools_scm>=6.2",
             "wheel",
-            "numpy>=1.25"]
+            "numpy>=2.0.0rc1"]
 
 [project]
 name = "radbelt"