diff --git a/requirements.txt b/requirements.txt
index e22d5f1..a129ebd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 numpy>=1.26.4
-pandas>=2.2.0
-scikit-learn>=1.5.2
\ No newline at end of file
+scikit-learn>=1.5.2
+scipy>=0.17.0
diff --git a/test_requirements.txt b/test_requirements.txt
index eedc6fd..5ec8bae 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -1,7 +1,8 @@
 -r requirements.txt
+pandas>=2.2.0
 pytest>=5.4.1
 
 # repo maintenance tooling
 black>=21.5b1
 flake8>=3.9.2
-isort>=5.8.0
\ No newline at end of file
+isort>=5.8.0