diff --git a/www/index.php b/www/index.php
index 8dbc391954a2e112daffac39feecb11374324cb0..8542df005e7a9d80652e8e7de68f2c620be7d831 100644
--- a/www/index.php
+++ b/www/index.php
@@ -52,7 +52,7 @@ if (!$isEmbed) {
 $localResults = '';
 $context = '';
 
-$page->addStyleSheet('css/search.css');
+$page->addStyleSheet('css/search.css?v=4.1');
 
 //u is referring site
 if (isset($_GET['u']) && $scanned = UNL_Search::getScannedPage($_GET['u'])) {