diff --git a/app/Core/Queue/JobHandler.php b/app/Core/Queue/JobHandler.php
index d7e7d0991..bc63fe075 100644
--- a/app/Core/Queue/JobHandler.php
+++ b/app/Core/Queue/JobHandler.php
@@ -6,6 +6,7 @@ use Exception;
 use Kanboard\Core\Base;
 use Kanboard\Job\BaseJob;
 use SimpleQueue\Job;
+use Symfony\Contracts\EventDispatcher\Event;
 
 /**
  * Class JobHandler
@@ -84,6 +85,6 @@ class JobHandler extends Base
     {
         $this->memoryCache->flush();
         $this->actionManager->removeEvents();
-        $this->dispatcher->dispatch('app.bootstrap');
+        $this->dispatcher->dispatch(new Event(), 'app.bootstrap');
     }
 }
diff --git a/app/Core/Session/SessionManager.php b/app/Core/Session/SessionManager.php
index ed6b0ee99..212fcbc04 100644
--- a/app/Core/Session/SessionManager.php
+++ b/app/Core/Session/SessionManager.php
@@ -3,6 +3,7 @@
 namespace Kanboard\Core\Session;
 
 use Kanboard\Core\Base;
+use Symfony\Contracts\EventDispatcher\Event;
 
 /**
  * Session Manager
@@ -59,7 +60,7 @@ class SessionManager extends Base
      */
     public function close()
     {
-        $this->dispatcher->dispatch(self::EVENT_DESTROY);
+        $this->dispatcher->dispatch(new Event(), self::EVENT_DESTROY);
 
         // Destroy the session cookie
         $params = session_get_cookie_params();