diff --git a/src/Sylius/Bundle/ApiBundle/spec/DataPersister/ProductTaxonDataPersisterSpec.php b/src/Sylius/Bundle/ApiBundle/spec/DataPersister/ProductTaxonDataPersisterSpec.php
index d4608241f87..2eb3bbc8a46 100644
--- a/src/Sylius/Bundle/ApiBundle/spec/DataPersister/ProductTaxonDataPersisterSpec.php
+++ b/src/Sylius/Bundle/ApiBundle/spec/DataPersister/ProductTaxonDataPersisterSpec.php
@@ -21,7 +21,7 @@
 use Symfony\Component\Messenger\Envelope;
 use Symfony\Component\Messenger\MessageBusInterface;
 
-class ProductTaxonDataPersisterSpec extends ObjectBehavior
+final class ProductTaxonDataPersisterSpec extends ObjectBehavior
 {
     function let(
         ContextAwareDataPersisterInterface $decoratedDataPersister,