diff --git a/contentbank/classes/content.php b/contentbank/classes/content.php
index 13996a9875d..25bc2ddab86 100644
--- a/contentbank/classes/content.php
+++ b/contentbank/classes/content.php
@@ -29,6 +29,7 @@ use stored_file;
 use stdClass;
 use coding_exception;
 use moodle_url;
+use core\event\contentbank_content_updated;
 
 /**
  * Content manager class