diff --git a/example-project/tox.ini b/example-project/tox.ini
index 7553d6f..b6cedd8 100644
--- a/example-project/tox.ini
+++ b/example-project/tox.ini
@@ -10,5 +10,5 @@ deps =
   -r{toxinidir}/requirements.txt
 commands =
   true
-whitelist_externals =
+allowlist_externals =
   true