diff --git a/tox.ini b/tox.ini
index 115f142..4d42ed5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ setenv =
 commands =
     pip install -r requirements.txt
     pip install -r dev-requirements.txt
-    py.test --junitxml=junit-{envname}.xml --cov-report xml tests.py
+    pytest --junitxml=junit-{envname}.xml --cov-report xml tests.py
 
 [testenv:flake8]
 commands =