diff --git a/app/Data/ItemsCollection.php b/app/Data/ItemsCollection.php
index f7a5894..03f962d 100644
--- a/app/Data/ItemsCollection.php
+++ b/app/Data/ItemsCollection.php
@@ -2,6 +2,7 @@
 
 namespace App\Data;
 
+use App\Exceptions\ItemNotFoundException;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Cache;
 use Illuminate\Support\Str;
@@ -43,9 +44,10 @@ class ItemsCollection
     /**
      * @param string $id
      * @return array
+     * @throws ItemNotFoundException
      */
-    public function getItemById(string $id)
+    public function getItemById(string $id): array
     {
-        return $this->data[$id];
+        return $this->data[$id] ?? throw new ItemNotFoundException('Item not found');
     }
 }