diff --git a/platform/mv3/extension/about.html b/platform/mv3/extension/about.html
index 65f5bbe54..557049768 100644
--- a/platform/mv3/extension/about.html
+++ b/platform/mv3/extension/about.html
@@ -32,6 +32,7 @@
         <div class="li"><span><a href="https://github.com/rsms/inter" target="_blank">Inter font family</a> by <a href="https://github.com/rsms">Rasmus Andersson</a></span></div>
         <div class="li"><span><a href="https://fontawesome.com/" target="_blank">FontAwesome font family</a> by <a href="https://github.com/davegandy">Dave Gandy</a></span></div>
         <div class="li"><span><a href="https://github.com/mathiasbynens/punycode.js" target="_blank">Punycode.js</a> by <a href="https://github.com/mathiasbynens">Mathias Bynens</a></span></div>
+        <div class="li"><span><a href="https://flagpedia.net/" target="_blank">Flags of the World</a> by <a href="https://www.davidkrmela.com/">David Krmela</a></span></div>
     </div>
 </div>