diff --git a/tox.ini b/tox.ini
index 5fb49983c7..1c28d1832f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 [tox]
-minversion = 2.0
-skipsdist = True
+minversion = 3.18.0
 envlist = pep8,py,tht
+ignore_base_python_conflict = True
 
 [testenv]
 basepython = python3
@@ -21,7 +21,7 @@ setenv =
 commands = {posargs}
 
 [testenv:pep8]
-whitelist_externals =
+allowlist_externals =
     bash
 commands =
     python ./tools/process-templates.py
@@ -68,7 +68,7 @@ commands = python ./tools/process-templates.py -c
 [testenv:releasenotes]
 deps = -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/wallaby}
        -r{toxinidir}/doc/requirements.txt
-whitelist_externals =
+allowlist_externals =
     bash
 commands = bash -c tools/releasenotes_tox.sh
 
@@ -89,7 +89,7 @@ commands =
            python ./tripleo_heat_templates/environment_generator.py sample-env-generator/
 
 [testenv:genroledata]
-whitelist_externals =
+allowlist_externals =
     bash
 commands =
     bash -c tools/roles-data-generate-samples.sh
@@ -113,7 +113,7 @@ passenv =
 deps =
   -r{toxinidir}/test-ansible-requirements.txt
   -r{toxinidir}/test-requirements.txt
-whitelist_externals =
+allowlist_externals =
     bash
 commands_pre =
     ansible-galaxy collection install ansible.posix containers.podman