diff --git a/mamweb/templates/base.html b/mamweb/templates/base.html
index 52911bcc..dfd8362e 100644
--- a/mamweb/templates/base.html
+++ b/mamweb/templates/base.html
@@ -10,7 +10,7 @@
     {% block custom_css %}{% endblock %}
     <link href="{% static 'css/bootstrap-theme.css' %}" rel="stylesheet">
     <link href="{% static 'css/bootstrap.css' %}" rel="stylesheet">
-    <link href="{% static 'css/mamweb.css' %}" rel="stylesheet">
+    <link href="{% static 'css/mamweb.css' %}?version=1" rel="stylesheet">
     <link href="{% static 'css/prettyPhoto.css' %}" rel="stylesheet" type="text/css" media="screen" charset="utf-8" />
     <script src="{% static 'js/jquery-1.11.1.js' %}"></script>
     <script src="{% static 'js/jquery-3.4.1.js' %}"></script>