diff --git a/applications/luci-app-bmx7/root/usr/lib/lua/luci/view/bmx7/topology.htm b/applications/luci-app-bmx7/root/usr/lib/lua/luci/view/bmx7/topology.htm
index 58ce9fdbf0..4a688bde61 100644
--- a/applications/luci-app-bmx7/root/usr/lib/lua/luci/view/bmx7/topology.htm
+++ b/applications/luci-app-bmx7/root/usr/lib/lua/luci/view/bmx7/topology.htm
@@ -1,5 +1,5 @@
 <%+header%>
-<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.12/d3.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.12/d3.min.js" integrity="sha512-uy3foVtL4u0+5430l7zZt4PHjVtICfrbu3mtzdanR425sKD7kS5264djeZAzNIV0l4vc1QkFpW2+G5i5KoJIFQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 <script type="text/javascript" src="<%=resource%>/bmx7/js/netjsongraph.js"></script>
 
 <link href="<%=resource%>/bmx7/css/netjsongraph.css" rel="stylesheet">