diff --git a/static/docs/reference/generated/kubernetes-api/v1.15/index.html b/static/docs/reference/generated/kubernetes-api/v1.15/index.html
index 168e3020da91c..a62e6f15eaa8c 100644
--- a/static/docs/reference/generated/kubernetes-api/v1.15/index.html
+++ b/static/docs/reference/generated/kubernetes-api/v1.15/index.html
@@ -55697,7 +55697,7 @@ <H1 id="webhookclientconfig-v1alpha1-auditregistration-k8s-io">WebhookClientConf
 </DIV>
 <SCRIPT src="/js/jquery-3.2.1.min.js"></SCRIPT>
 <SCRIPT src="jquery.scrollTo.min.js"></SCRIPT>
-<SCRIPT src="/js/bootstrap-3.3.7.min.js"></SCRIPT>
+<SCRIPT src="/js/bootstrap-4.3.1.min.js"></SCRIPT>
 <SCRIPT src="navData.js"></SCRIPT>
 <SCRIPT src="scroll.js"></SCRIPT>
 </BODY>