diff --git a/src/Appwrite/Migration/Version/V17.php b/src/Appwrite/Migration/Version/V17.php
index 27ece55107..9a33d424bc 100644
--- a/src/Appwrite/Migration/Version/V17.php
+++ b/src/Appwrite/Migration/Version/V17.php
@@ -27,11 +27,34 @@ class V17 extends Migration
 
         Console::info('Migrating Collections');
         $this->migrateCollections();
-
+        Console::info('Migrating Buckets');
+        $this->migrateBuckets();
         Console::info('Migrating Documents');
         $this->forEachDocument([$this, 'fixDocument']);
     }
 
+
+    /**
+     * Migrating all Bucket tables.
+     *
+     * @return void
+     * @throws \Exception
+     * @throws \PDOException
+     */
+    protected function migrateBuckets(): void
+    {
+        foreach ($this->documentsIterator('buckets') as $bucket) {
+            $id = "bucket_{$bucket->getInternalId()}";
+
+            try {
+                $this->projectDB->updateAttribute($id, 'mimeType', Database::VAR_STRING, 255, true, false);
+                $this->projectDB->deleteCachedCollection($id);
+            } catch (\Throwable $th) {
+                Console::warning("'mimeType' from {$id}: {$th->getMessage()}");
+            }
+        }
+    }
+
     /**
      * Migrate all Collections.
      *
@@ -47,19 +70,6 @@ class V17 extends Migration
             $this->projectDB->setNamespace("_{$this->project->getInternalId()}");
 
             switch ($id) {
-                case 'files':
-                    try {
-                        /**
-                         * Update 'mimeType' attribute size (127->255)
-                         */
-                        $this->projectDB->updateAttribute($id, 'mimeType', Database::VAR_STRING, 255, true, false);
-                        $this->projectDB->deleteCachedCollection($id);
-                    } catch (\Throwable $th) {
-                        Console::warning("'mimeType' from {$id}: {$th->getMessage()}");
-                    }
-
-                    break;
-
                 default:
                     break;
             }