diff --git a/tests/src/Kernel/OrderItemTrackingTest.php b/tests/src/Kernel/OrderItemTrackingTest.php
index 5d60bf9..62aa422 100644
--- a/tests/src/Kernel/OrderItemTrackingTest.php
+++ b/tests/src/Kernel/OrderItemTrackingTest.php
@@ -22,7 +22,7 @@ class OrderItemTrackingTest extends CommerceKernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = [
+  protected static $modules = [
     'commerce_order',
     'commerce_partial_payments',
     'commerce_payment',