diff --git a/tests/unit/data/config.php b/tests/unit/data/config.php
index d12df7f..e8deebb 100644
--- a/tests/unit/data/config.php
+++ b/tests/unit/data/config.php
@@ -51,7 +51,7 @@ return [
 	],
 	'mongo' => [
 		'dsn' => 'mongodb://travis:test@localhost:27017',
-		'dbName' => 'yii2test',
+		'defaultDatabaseName' => 'yii2test',
 		'options' => [],
 	]
 ];