diff --git a/src/templates/projects/view.pug b/src/templates/projects/view.pug
index 8a43c4f4..586bf217 100644
--- a/src/templates/projects/view.pug
+++ b/src/templates/projects/view.pug
@@ -66,7 +66,7 @@ meta(property="og:url", content="{{url_for('projects.view', project_url=project.
 | {% endblock %}
 
 | {% block head %}
-link(href="{{ url_for('static_pillar', filename='assets/jstree/themes/default/style.min.css') }}", rel="stylesheet")
+link(href="{{ url_for('static_pillar', filename='assets/jstree/themes/default/style.min.css', v=17320171) }}", rel="stylesheet")
 | {% if node %}
 link(rel="amphtml", href="{{ url_for('nodes.view', node_id=node._id, _external=True, format='amp') }}")
 | {% endif %}