diff --git a/pyproject.toml b/pyproject.toml
index 0f5ccb81..9c225f6a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
   "pint",
   "tqdm",
   "numpy>=2.0,<3",
-  "xarray>=2023.8,<2026.8"
+  "xarray>=2023.8,<2026.10"
 ]
 description = "gdsfactory plugins"
 keywords = ["python"]