diff --git a/Resources/skeleton/FormType.php b/Resources/skeleton/FormType.php
index 599b8a0..3e934cb 100644
--- a/Resources/skeleton/FormType.php
+++ b/Resources/skeleton/FormType.php
@@ -3,14 +3,14 @@
 namespace ##NAMESPACE##;
 
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\FormBuilder;
+use Symfony\Component\Form\FormBuilderInterface;
 
 class ##CLASS## extends AbstractType
 {
     /**
      * {@inheritdoc}
      */
-    public function buildForm(FormBuilder $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options)
     {##BUILD_CODE##
     }