diff --git a/requirements/optional.txt b/requirements/optional.txt
index 35b5242b5c4..5382c49960d 100644
--- a/requirements/optional.txt
+++ b/requirements/optional.txt
@@ -3,4 +3,4 @@ cityscapesscripts
 imagecorruptions
 mmlvis
 scipy
-sklearn
+scikit-learn