diff --git a/tox.ini b/tox.ini
index d8e059a..c01852b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist = pep8,py36,py38,bashate,pip-check-reqs
-minversion = 3.1.1
+minversion = 3.18.0
 skipsdist = True
 ignore_basepython_conflict = True
 
@@ -26,7 +26,7 @@
 passenv = OS_STDOUT_CAPTURE OS_STDERR_CAPTURE OS_TEST_TIMEOUT OS_TEST_LOCK_PATH TEMPEST_CONFIG TEMPEST_CONFIG_DIR http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY ZUUL_CACHE_DIR REQUIREMENTS_PIP_LOCATION GENERATE_TEMPEST_PLUGIN_LIST
 usedevelop = True
 install_command = pip install {opts} {packages}
-whitelist_externals = *
+allowlist_externals = *
 deps =
     -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
     -r{toxinidir}/requirements.txt
@@ -108,7 +108,7 @@
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag:
 # See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
-# FIXME: We can replace it with the `--black-regex` option to exclude tests now.
+# FIXME: We can replace it with the `--exclude-regex` option to exclude tests now.
 commands =
     find . -type f -name "*.pyc" -delete
     tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' {posargs}
@@ -132,11 +132,11 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag and
-# tests listed in blacklist file:
+# tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --blacklist_file ./tools/tempest-integrated-gate-networking-blacklist.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --blacklist_file ./tools/tempest-integrated-gate-networking-blacklist.txt {posargs}
+    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-networking-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exlude-list ./tools/tempest-integrated-gate-networking-exclude-list.txt {posargs}
 
 [testenv:integrated-compute]
 envdir = .tox/tempest
@@ -145,11 +145,11 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag and
-# tests listed in blacklist file:
+# tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --blacklist_file ./tools/tempest-integrated-gate-compute-blacklist.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --blacklist_file ./tools/tempest-integrated-gate-compute-blacklist.txt {posargs}
+    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-compute-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exclude-list ./tools/tempest-integrated-gate-compute-exclude-list.txt {posargs}
 
 [testenv:integrated-placement]
 envdir = .tox/tempest
@@ -158,11 +158,11 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag and
-# tests listed in blacklist file:
+# tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --blacklist_file ./tools/tempest-integrated-gate-placement-blacklist.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --blacklist_file ./tools/tempest-integrated-gate-placement-blacklist.txt {posargs}
+    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-placement-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exclude-list ./tools/tempest-integrated-gate-placement-exclude-list.txt {posargs}
 
 [testenv:integrated-storage]
 envdir = .tox/tempest
@@ -171,11 +171,11 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag and
-# tests listed in blacklist file:
+# tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --blacklist_file ./tools/tempest-integrated-gate-storage-blacklist.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --blacklist_file ./tools/tempest-integrated-gate-storage-blacklist.txt {posargs}
+    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-storage-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exclude-list ./tools/tempest-integrated-gate-storage-exclude-list.txt {posargs}
 
 [testenv:integrated-object-storage]
 envdir = .tox/tempest
@@ -184,11 +184,11 @@
 setenv = {[tempestenv]setenv}
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag and
-# tests listed in blacklist file:
+# tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --blacklist_file ./tools/tempest-integrated-gate-object-storage-blacklist.txt {posargs}
-    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --blacklist_file ./tools/tempest-integrated-gate-object-storage-blacklist.txt {posargs}
+    tempest run --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.api)' --exclude-list ./tools/tempest-integrated-gate-object-storage-exclude-list.txt {posargs}
+    tempest run --combine --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)' --exclude-list ./tools/tempest-integrated-gate-object-storage-exclude-list.txt {posargs}
 
 [testenv:full-serial]
 envdir = .tox/tempest
@@ -198,7 +198,7 @@
 deps = {[tempestenv]deps}
 # The regex below is used to select which tests to run and exclude the slow tag:
 # See the testrepository bug: https://bugs.launchpad.net/testrepository/+bug/1208610
-# FIXME: We can replace it with the `--black-regex` option to exclude tests now.
+# FIXME: We can replace it with the `--exclude-regex` option to exclude tests now.
 commands =
     find . -type f -name "*.pyc" -delete
     tempest run --serial --regex '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario))' {posargs}
@@ -290,12 +290,12 @@
   sphinx-apidoc -f -o doc/source/tests/volume tempest/api/volume
   rm -rf doc/build
   sphinx-build -W -b html doc/source doc/build/html
-whitelist_externals =
+allowlist_externals =
     rm
 
 [testenv:pdf-docs]
 deps = {[testenv:docs]deps}
-whitelist_externals =
+allowlist_externals =
    rm
    make
 commands =
@@ -369,7 +369,7 @@
   rm -rf releasenotes/build
   sphinx-build -a -E -W -d releasenotes/build/doctrees \
          -b html releasenotes/source releasenotes/build/html
-whitelist_externals = rm
+allowlist_externals = rm
 
 [testenv:bashate]
 # if you want to test out some changes you have made to bashate
@@ -377,7 +377,7 @@
 # modified bashate tree
 deps =
    {env:BASHATE_INSTALL_PATH:bashate}
-whitelist_externals = bash
+allowlist_externals = bash
 commands = bash -c "find {toxinidir}/tools    \
          -not \( -type d -name .?\* -prune \) \
          -type f                              \
@@ -406,6 +406,6 @@
 
 [testenv:plugin-sanity-check]
 # perform tempest plugin sanity
-whitelist_externals = bash
+allowlist_externals = bash
 commands =
   bash tools/tempest-plugin-sanity.sh