diff --git a/composer.json b/composer.json
index 972e0f8..95ed7bb 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     "minimum-stability": "dev",
     "require": {
         "php": ">=5.6.4",
-        "laravel/framework": "5.3.*",
+        "laravel/framework": "5.4.*",
         "laravel/scout": "^2.0"
     },
     "autoload": {
diff --git a/src/Services/IndexService.php b/src/Services/IndexService.php
index 87bf98b..fa625cc 100644
--- a/src/Services/IndexService.php
+++ b/src/Services/IndexService.php
@@ -2,14 +2,14 @@
 
 namespace DamianTW\MySQLScout\Services;
 
+use Illuminate\Console\DetectsApplicationNamespace;
 use Laravel\Scout\Searchable;
-use Illuminate\Console\AppNamespaceDetectorTrait;
 use Illuminate\Support\Facades\DB;
 use DamianTW\MySQLScout\Events;
 
 class IndexService
 {
-    use AppNamespaceDetectorTrait;
+    use DetectsApplicationNamespace;
 
     protected $modelService;