diff --git a/marietje/marietje/templates/base.html b/marietje/marietje/templates/base.html
index a997725..4449b3c 100644
--- a/marietje/marietje/templates/base.html
+++ b/marietje/marietje/templates/base.html
@@ -7,7 +7,7 @@
         <title>Marietje 4.0 - {% block title %}{% endblock title %}</title>
         <link rel="icon" type="image/x-icon" href="{% static 'favicon.ico' %}" />
         <link rel="stylesheet" href="{% static 'css/bootstrap.min.css' %}" />
-        <link rel="stylesheet" href="{% static 'css/custom.css' %}" />
+        <link rel="stylesheet" href="{% static 'css/custom.css' %}?1" />
         <script type="text/javascript" src="{% static "js/jquery-3.1.1.min.js" %}"></script>
         <script type="text/javascript" src="{% static "js/bootstrap.min.js" %}"></script>
     </head>
diff --git a/marietje/queues/templates/queues/queue.html b/marietje/queues/templates/queues/queue.html
index f9ba994..238cea7 100644
--- a/marietje/queues/templates/queues/queue.html
+++ b/marietje/queues/templates/queues/queue.html
@@ -88,7 +88,7 @@
 </div>
 
 <script type="text/javascript" src="{% static 'js/js.cookie-2.1.3.min.js' %}"></script>
-<script type="text/javascript" src="{% static 'js/queue.js' %}"></script>
+<script type="text/javascript" src="{% static 'js/queue.js' %}?1"></script>
 <script type="text/javascript">
 var csrf_token = "{{ csrf_token }}";
 var canSkip = {{ perms.queues.can_skip|yesno:"1,0" }};