diff --git a/entityreference_modal_create.info.yml b/entityreference_modal_create.info.yml
index f1190ed..e213738 100644
--- a/entityreference_modal_create.info.yml
+++ b/entityreference_modal_create.info.yml
@@ -2,7 +2,6 @@ name: Entity Reference Modal Create
 type: module
 description: Provides a widget for entity reference fields to add new entities in a modal form
 package: Fields
-core: 8.x
-core_version_requirement: ^8 || ^9
+core_version_requirement: ^8 || ^9 || ^10
 dependencies:
   - user
diff --git a/src/Event/EntityModalPostCreateEvent.php b/src/Event/EntityModalPostCreateEvent.php
index 4761126..6e44f1d 100644
--- a/src/Event/EntityModalPostCreateEvent.php
+++ b/src/Event/EntityModalPostCreateEvent.php
@@ -6,7 +6,7 @@ use Symfony\Component\EventDispatcher\Event;
 /**
  * Event that is fired when an entity is added via modal form.
  */
-class EntityModalPostCreateEvent extends Event {
+class EntityModalPostCreateEvent extends \Symfony\Contracts\EventDispatcher\Event {
   const ENTITY_POST_CREATE = 'entityreference_modal_create_post_create_event';
   public function __construct($entity , $form , $form_state) {
     $this->entity = $entity;