diff --git a/src/Service/Upload/UploadNamer.php b/src/Service/Upload/UploadNamer.php
index eb8ab9d..b0961da 100644
--- a/src/Service/Upload/UploadNamer.php
+++ b/src/Service/Upload/UploadNamer.php
@@ -10,7 +10,7 @@ class UploadNamer implements NamerInterface
 {
     public function name(FileInterface $file): string
     {
-        $fileUuid = Uuid::v7();
+        $fileUuid = Uuid::v4();
         $folder = substr($fileUuid, 0, 1);
 
         return sprintf('%s/%s.%s', $folder, $fileUuid, strtolower($file->getExtension()));