diff --git a/docs/index.html b/docs/index.html
index bf0b429..a2c67d6 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -225,7 +225,7 @@ parmcards4;
     <div class="container tsd-generator">
       <p>
         Generated using
-        <a href="http://typedoc.org/" target="_blank">TypeDoc</a>
+        <a href="http://typedoc.org/" target="_blank" rel="noopener noreferrer">TypeDoc</a>
       </p>
     </div>
     <div class="overlay"></div>