diff --git a/pyproject.toml b/pyproject.toml
index 883d39c..64fe206 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ readme = "README.md"
 python = ">=3.10,<3.13"
 numba = "^0.60.0"
 numpy = ">1.24"
-scipy = "^1.14.1"
+scipy = "<1.14.0"
 
 [tool.poetry.group.dev.dependencies]
 decorator = "^5.1.1"