diff --git a/README.md b/README.md
index 0d271fe..c5816bb 100644
--- a/README.md
+++ b/README.md
@@ -195,7 +195,7 @@ All parameters are optional.
 
 To run tests (pytest)
 
-``python setup.py test``
+``tox``
 
 To lint (flake8):