diff --git a/tox.ini b/tox.ini
index c183981..3bb936e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,16 +1,19 @@
 [tox]
+minversion = 4
 envlist = check, py3-lint, black, py3-unit, integration
 
 [tox:jenkins]
 envlist = check, py{37,38,39}-{lint}, black, py{37,38,39}-{unit}, doc
 
 [testenv]
-skipsdist = True
-usedevelop = True
-
+package = editable
 # envs can be listed with:
 #
-#  tox -a -v
+#  tox list
+#
+# For Jenkins override you need to install in your environment:
+# https://gerrit.wikimedia.org/r/integration/tox-jenkins-override.git#egg=tox-jenkins-override
+# Then:
 #  JENKINS_URL=1 tox -a -v
 #
 # envs configurations can be checked via:
@@ -33,6 +36,9 @@ description =
 	doc: Build documentation using Sphinx
 	venv: Dummy virtualenv to easily run commands
 envdir =
+# tox v3 provisionining would fail with:
+# ConfigError:envdir must not equal toxinidir
+	.tox: {toxworkdir}/.pkg
 	py3-unit: {toxworkdir}/venv-py3
 	py37-unit: {toxworkdir}/venv-py37
 	py38-unit: {toxworkdir}/venv-py38
@@ -64,8 +70,7 @@ args_are_paths = False
 
 [testenv:check]
 # So we at least try sdist once
-skipsdist = False
-usedevelop = False
+package = sdist
 commands = python setup.py --version
            python setup.py check