diff --git a/uptime_widget.install b/uptime_widget.install
index 39a94b6..68f437e 100644
--- a/uptime_widget.install
+++ b/uptime_widget.install
@@ -79,6 +79,7 @@ function uptime_widget_update_8101() {
     if (strpos($value, $uptime_block_id) !== FALSE) {
       $config = \Drupal::configFactory()->getEditable($value);
       $config->set('plugin', 'uptime_widget_block');
+      $config->save();
     }
   }
-}
\ No newline at end of file
+}