diff --git a/pyproject.toml b/pyproject.toml
index 628c09ca..477e2609 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
   "dask>=2022.1.0",
   "essreduce>=25.12.1",
   "graphviz",
-  "numpy>=1.25",
+  "numpy>=2",
   "plopp>=25.07.0",
   "pythreejs>=2.4.1",
   "sciline>=25.04.1",