diff --git a/modules/system/system.updater.inc b/modules/system/system.updater.inc
index 0df1ad9..18bf62c 100644
--- a/modules/system/system.updater.inc
+++ b/modules/system/system.updater.inc
@@ -144,3 +144,48 @@ class ThemeUpdater extends Updater implements DrupalUpdaterInterface {
     );
   }
 }
+
+/**
+ * Class for updating the core using FileTransfer classes via authorize.php.
+ */
+class CoreUpdater extends Updater implements DrupalUpdaterInterface {
+
+    public function getInstallDirectory() {
+
+        return DRUPAL_ROOT;
+    }
+
+    public function isInstalled() {
+        //Of course!
+        return TRUE;
+    }
+
+    public static function canUpdateDirectory($directory) {
+
+        if($directory == DRUPAL_ROOT) {
+            return TRUE;
+        }
+        return FALSE;
+    }
+
+    public static function canUpdate($project_name) {
+
+        if($project_name == 'drupal') {
+            return TRUE;
+        }
+        return FALSE;
+    }
+
+    public function postInstall() {
+
+        cache_clear_all();
+
+    }
+
+    public function postInstallTasks() {
+        return array(
+          l(t('Administration pages'), 'admin'),
+        );
+    }
+
+}