diff --git a/src/Http/Controllers/Subscribers/SubscribersImportController.php b/src/Http/Controllers/Subscribers/SubscribersImportController.php
index 5de89284..8c1f9455 100644
--- a/src/Http/Controllers/Subscribers/SubscribersImportController.php
+++ b/src/Http/Controllers/Subscribers/SubscribersImportController.php
@@ -8,8 +8,10 @@
 use Exception;
 use Illuminate\Contracts\View\View as ViewContract;
 use Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
 use Rap2hpoutre\FastExcel\FastExcel;
 use Sendportal\Base\Http\Controllers\Controller;
 use Sendportal\Base\Http\Requests\SubscribersImportRequest;
@@ -44,14 +46,14 @@ public function show(SegmentTenantRepository $segmentRepo): ViewContract
     public function store(SubscribersImportRequest $request): RedirectResponse
     {
         if ($request->file('file')->isValid()) {
-            $filename = str_random(16) . '.csv';
+            $filename = Str::random(16) . '.csv';
 
             $path = $request->file('file')->storeAs('imports', $filename);
 
             $subscribers = (new FastExcel)->import(storage_path('app/' . $path), function (array $line) use ($request) {
                 // TODO: validate each row beforehand
                 try {
-                    $data = array_only($line, ['id', 'email', 'first_name', 'last_name']);
+                    $data = Arr::only($line, ['id', 'email', 'first_name', 'last_name']);
 
                     $data['segments'] = $request->get('segments') ?? [];
 
diff --git a/src/Services/Subscribers/ImportSubscriberService.php b/src/Services/Subscribers/ImportSubscriberService.php
index cdc06774..be75b1ca 100644
--- a/src/Services/Subscribers/ImportSubscriberService.php
+++ b/src/Services/Subscribers/ImportSubscriberService.php
@@ -2,6 +2,7 @@
 
 namespace Sendportal\Base\Services\Subscribers;
 
+use Illuminate\Support\Arr;
 use Sendportal\Base\Models\Subscriber;
 use Sendportal\Base\Repositories\SubscriberTenantRepository;
 use Exception;
@@ -28,19 +29,19 @@ public function import(int $workspaceId, array $data): Subscriber
     {
         $subscriber = null;
 
-        if (!empty(\Arr::get($data, 'id'))) {
+        if (!empty(Arr::get($data, 'id'))) {
             $subscriber = $this->subscribers->findBy($workspaceId, 'id', $data['id'], ['segments']);
         }
 
         if (!$subscriber) {
-            $subscriber = $this->subscribers->findBy($workspaceId, 'email', \Arr::get($data, 'email'), ['segments']);
+            $subscriber = $this->subscribers->findBy($workspaceId, 'email', Arr::get($data, 'email'), ['segments']);
         }
 
         if (!$subscriber) {
-            $subscriber = $this->subscribers->store($workspaceId, array_except($data, ['id', 'segments']));
+            $subscriber = $this->subscribers->store($workspaceId, Arr::except($data, ['id', 'segments']));
         }
 
-        $data['segments'] = array_merge($subscriber->segments->pluck('id')->toArray(), \Arr::get($data, 'segments'));
+        $data['segments'] = array_merge($subscriber->segments->pluck('id')->toArray(), Arr::get($data, 'segments'));
 
         $this->subscribers->update($workspaceId, $subscriber->id, $data);