diff --git a/templates/404.html b/templates/404.html
index d67513a..5d3628b 100644
--- a/templates/404.html
+++ b/templates/404.html
@@ -62,7 +62,7 @@
 
   <div class="center-box" id="box">
     <h1>404 - Page not found 😢</h1>
-    <p>Read the <a href="https://github.com/HilkopterBob/PackageLock" target="_blank">PackageLock Docs! 🚀</a></p>
+    <p>Read the <a href="https://github.com/HilkopterBob/PackageLock" target="_blank" rel="noopener">PackageLock Docs! 🚀</a></p>
     <p>{{ .AppVersion }}</p>
   </div>