diff --git a/pyproject.toml b/pyproject.toml
index 3b3bdd8..1122fea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
     'pytest',
     'matplotlib',
     'setuptools',
-    'scipy',
+    'scipy==1.12.0',
     'statsmodels',
     'plotly',
     'rdkit'