diff --git a/pyproject.toml b/pyproject.toml
index d806ed5..147ccde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,8 @@ dependencies = [
   'numpy >= 1.23.4',
   'pandas >= 1.5.0',
   'setuptools >=65.4.1',
+  'statsmodels >= 0.14.1;
+  'scipy==1.10.1',
 ]
 classifiers = [
     "Programming Language :: Python :: 3",
diff --git a/requirements.txt b/requirements.txt
index 06cba8a..8bb9004 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,6 @@ matplotlib==3.7.5
 numpy==1.24.4
 pandas==2.0.3
 scikit_learn==1.3.2
-scipy==1.12.0
+scipy==1.10.1
 setuptools==68.1.2
 statsmodels==0.14.1