diff --git a/_layouts/base.html b/_layouts/base.html
index 7c0393ab..a58a0b2f 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -9,7 +9,7 @@
 <!--[if lt IE 8]>{% lesscss ie.css %}<script type="text/javascript" src="/js/ie.js"></script><![endif]-->
 {% if page.lang == 'ar' or page.lang == 'fa' %}{% lesscss rtl.less %}{% endif %}
 {% if page.lang == 'bg' or page.lang == 'pl' or page.lang == 'ro' or page.lang == 'ru' or page.lang == 'tr' or page.lang == 'zh_CN' or page.lang == 'zh_TW' %}{% lesscss sans.less %}{% endif %}
-<script type="text/javascript" src="/js/main.js"></script>
+<script type="text/javascript" src="/js/main.js?1400954556"></script>
 {% if page.lang == 'de' or page.lang == 'es' or page.lang == 'hu' or page.lang == 'it' or page.lang == 'nl' or page.lang == 'pl' or page.lang == 'ru' or page.lang == 'tr' %}
 <script src="/js/hyphenator.js" type="text/javascript"></script>
 <script type="text/javascript">