diff --git a/src/Http/Services/AbstractNamingStrategy.php b/src/Http/Services/AbstractNamingStrategy.php
index 8d8aec2..df01c68 100644
--- a/src/Http/Services/AbstractNamingStrategy.php
+++ b/src/Http/Services/AbstractNamingStrategy.php
@@ -17,5 +17,5 @@ public function __construct(Filesystem $storage)
         $this->storage = $storage;
     }
 
-    abstract public function name(string $currentFolder, UploadedFile $file) : string;
+    abstract public function name(string $currentFolder, UploadedFile $file): string;
 }