diff --git a/test/tm-cases/link_with_blank.html b/test/tm-cases/link_with_blank.html
index 0d6e1dfe..df2c0037 100644
--- a/test/tm-cases/link_with_blank.html
+++ b/test/tm-cases/link_with_blank.html
@@ -1,5 +1,5 @@
-<p><a target="_blank" href="http://www.example.com">Ref</a></p>
+<p><a rel="noopener" target="_blank" href="http://www.example.com">Ref</a></p>
 
 <p><a href="#bar">Foo</a></p>
 
-<p><a target="_blank" href="http://www.example.com/two#three">One</a></p>
+<p><a rel="noopener" target="_blank" href="http://www.example.com/two#three">One</a></p>