diff --git a/pyproject.toml b/pyproject.toml
index 052e107..f1af751 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ tinygp = "^0.3.0"
 seaborn = "^0.13.1"
 sparse = "^0.15.4"
 optimistix = ">=0.0.7,<0.0.10"
-scipy = "<1.15"
+scipy = "<1.16"
 mendeleev = ">=0.15,<0.20"
 jaxns = "<2.6"
 pooch = "^1.8.2"