diff --git a/config/app.php b/config/app.php
index 95b483a1..703a5362 100644
--- a/config/app.php
+++ b/config/app.php
@@ -168,6 +168,7 @@ return [
         Illuminate\Session\SessionServiceProvider::class,
         Illuminate\Validation\ValidationServiceProvider::class,
         Illuminate\View\ViewServiceProvider::class,
+        Illuminate\Notifications\NotificationServiceProvider::class,
 
         /**
          * Third-party Libraries...