diff --git a/pyproject.toml b/pyproject.toml
index 1812a13..1436933 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,6 +52,7 @@ dependencies = [
     "numpy==2.1.0; python_version <= '3.12'",
     "sklearn-crfsuite==0.5.0; python_version <= '3.12'",
     "scikit-learn; python_version <= '3.12'",
+    "scipy==1.14.1; python_version <= '3.12'",
 ]
 
 [project.optional-dependencies]
diff --git a/requirements.txt b/requirements.txt
index 3129ce9..869a66d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,5 @@ wget==3.2
 sentence-transformers==2.2.2
 numpy==2.1.0
 sklearn-crfsuite==0.5.0
-scikit-learn==1.5.0
\ No newline at end of file
+scikit-learn==1.5.0
+scipy==1.14.1
\ No newline at end of file