diff --git a/tox.ini b/tox.ini
index 2036b84..45f8003 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,8 @@ setenv =
   VIRTUAL_ENV={envdir}
 install_command = pip install -U {opts} {packages}
 deps = -r{toxinidir}/requirements.txt
-whitelist_externals = find
+allowlist_externals =
+  find
 commands =
   find . -type f -name "*.py[c|o]" -delete
   stestr run --no-subunit-trace {posargs}