diff --git a/tox.ini b/tox.ini
index 2e7a613fef7b7af31ab725feea36f7bd1343b770..15d0702f8e538a5c4f57fd2a94a2505859507f17 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,5 @@
 [tox]
-requires =
-  tox>4
+minversion=4
 envlist=black,flake8,mypy,py3-{minimal,full-cover}
 
 [testenv]