diff --git a/pyproject.toml b/pyproject.toml
index 3f95bad..b26c5b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,12 +7,12 @@ authors = [
 ]
 dependencies = [
     "numpy>=2.0.0",
-    "scipy>=1.14.0",
     "matplotlib>=3.9.0",
     "pandas>=2.2.2",
     "seaborn>=0.13.2",
     "openpyxl>=3.1.4",
     "scikit-learn>=1.5.0",
+    "scipy==1.13.0",
     "plotly>=5.22.0",
     "beartype>=0.18.5",
     "nbformat>=4.2.0",
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 733479d..af04352 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -132,7 +132,7 @@ rpds-py==0.18.1
     # via referencing
 scikit-learn==1.5.0
     # via chemfusekit
-scipy==1.14.0
+scipy==1.13.0
     # via chemfusekit
     # via scikit-learn
 seaborn==0.13.2
diff --git a/requirements.lock b/requirements.lock
index 750c99c..ba5d511 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -75,7 +75,7 @@ rpds-py==0.18.1
     # via referencing
 scikit-learn==1.5.0
     # via chemfusekit
-scipy==1.14.0
+scipy==1.13.0
     # via chemfusekit
     # via scikit-learn
 seaborn==0.13.2