diff --git a/app/Console/Commands/Bundle/Upgrade.php b/app/Console/Commands/Bundle/Upgrade.php
index 3612d6b..639a80e 100644
--- a/app/Console/Commands/Bundle/Upgrade.php
+++ b/app/Console/Commands/Bundle/Upgrade.php
@@ -31,11 +31,64 @@ public function handle()
         $path    = $this->argument('path') ?? '/';
         $bundles = Bundle::findBundles($disk, $path, true);
 
-        dd('Nothing to do');
-
         foreach ($bundles as $bundle) {
             $this->output->write(sprintf('Upgrading %s... ', $bundle->getPath()));
 
+            $disk->move($bundle->getPath() . 'images', $bundle->getDataDir() . 'attachments/images');
+            $disk->move($bundle->getPath() . 'sounds', $bundle->getDataDir() . 'attachments/sounds');
+            $disk->move($bundle->getPath() . 'videos', $bundle->getDataDir() . 'attachments/videos');
+            $disk->move($bundle->getPath() . 'index.json', $bundle->getDataDir() . 'index.json');
+            $disk->move($bundle->getPath() . 'metadata.json', $bundle->getDataDir() . 'metadata.json');
+
+            if ($disk->exists($bundle->getPath() . 'attachments.json')) {
+                $attachments = json_decode($disk->get($bundle->getPath() . 'attachments.json'), true);
+                $images      = [];
+                $sounds      = [];
+                $videos      = [];
+
+                foreach ($attachments as $ref => $data) {
+                    $kind = $data['kind'];
+
+                    $data['filename'] = 'attachments/' . $data['url'];
+
+                    unset($data['url']);
+                    unset($data['kind']);
+
+                    switch ($kind) {
+                        case 'images':
+                            $images['files'][$ref] = $data;
+                            break;
+                        case 'sounds':
+                            $sounds['files'][$ref] = $data;
+                            break;
+                        case 'videos':
+                            $videos['files'][$ref] = $data;
+                            break;
+                    }
+                }
+
+                if (!empty($images)) {
+                    $disk->put($bundle->getDataDir() . 'images.json', json_encode($images, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
+                }
+
+                if (!empty($sounds)) {
+                    $disk->put($bundle->getDataDir() . 'sounds.json', json_encode($sounds, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
+                }
+
+                if (!empty($videos)) {
+                    $disk->put($bundle->getDataDir() . 'videos.json', json_encode($videos, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
+                }
+            }
+
+            $filesToDelete = [
+                'links.json',
+                'attachments.json',
+            ];
+
+            $filesToDelete = array_map(fn ($filename) => $bundle->getPath() . $filename, $filesToDelete);
+
+            $disk->delete($filesToDelete);
+
             $this->info('OK');
         }
     }