diff --git a/tox.ini b/tox.ini
index 7ac7762..43fc491 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +1,9 @@
 [tox]
-minversion = 4.0
+minversion = 4.4
 skipsdist = True
 envlist = docs,pdf-docs,releasenotes,molecule
-ignore_basepython_conflict = True
 
 [testenv]
-basepython = python3
 usedevelop = False
 commands =
     /usr/bin/find . -type f -name "*.pyc" -delete