diff --git a/pyproject.toml b/pyproject.toml
index b12ee540..1939018f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
   "gdsfactory>=9.3.5",
   "pint",
   "tqdm",
-  "numpy==2.2",  # numpy 2.2 is required for numba
+  "numpy==2.3.1",  # numpy 2.2 is required for numba
   "xarray==2025.1.2"
 ]
 description = "gdsfactory plugins"