diff --git a/dev-requirements.txt b/dev-requirements.txt
index 03c6d7e8..e6855a50 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -7,4 +7,5 @@ pytest-cov
 Cython>=0.28.5
 scikit-learn==0.22
 scikit-image>=0.18.3
+scipy
 torchtnt>=0.0.5