diff --git a/webmail/templates/webmail/index.html b/webmail/templates/webmail/index.html
index 64c9e1400..bb9027296 100644
--- a/webmail/templates/webmail/index.html
+++ b/webmail/templates/webmail/index.html
@@ -435,6 +435,6 @@
     </div>
 </div>
 
-<script src="{% static 'webmail/webmail.js' %}"></script>
+<script src="{% static 'webmail/webmail.js' %}?v=2"></script>
 
 {% endblock %}