diff --git a/layouts/_default/_markup/render-link.html b/layouts/_default/_markup/render-link.html
index 5ee557f6..c844d10c 100644
--- a/layouts/_default/_markup/render-link.html
+++ b/layouts/_default/_markup/render-link.html
@@ -1,4 +1,5 @@
 <a href="{{ .Destination | safeURL }}"{{ with .Title}} title="{{ . }}"{{ end }}
+   {{ if strings.HasPrefix .Destination "http" }} rel="noopener"{{ end }}
    {{ if and site.Params.ExternalLinksIcon (strings.HasPrefix .Destination "http") }} class="external-link"{{ end }}
    {{ if and site.Params.ExternalLinksNewTab (strings.HasPrefix .Destination "http") }} target="_blank"{{ end }}
 >{{ .Text }}</a>