diff --git a/src/contracts/Event/BuildSuggestionCollectionEvent.php b/src/contracts/Event/BuildSuggestionCollectionEvent.php
index 0ed3533..3d7fcda 100644
--- a/src/contracts/Event/BuildSuggestionCollectionEvent.php
+++ b/src/contracts/Event/BuildSuggestionCollectionEvent.php
@@ -10,8 +10,9 @@
 
 use Ibexa\Contracts\Search\Model\Suggestion\SuggestionCollection;
 use Ibexa\Search\Model\SuggestionQuery;
+use Symfony\Contracts\EventDispatcher\Event;
 
-final class BuildSuggestionCollectionEvent
+final class BuildSuggestionCollectionEvent extends Event
 {
     private SuggestionCollection $suggestionCollection;