diff --git a/index.html b/index.html
index 0678ffca5544bad4e926c8aeee6f080e80ceaf45..31ec88a9e1241f682ca8e47bfd99f93b327b2b5e 100644
--- a/index.html
+++ b/index.html
@@ -68,7 +68,7 @@
         </router-link>
       </li>
       <li class="nav-item">
-        <a class="vips-btn" data-toggle="collapse" href="#divAbout" aria-expanded="false"
+        <a class="vips-btn" data-bs-toggle="collapse" href="#divAbout" aria-expanded="false"
            aria-controls="divAbout">{{ $t("about.header") }}</a>
         <div class="collapse" id="divAbout">
           <div v-html="$t('about.text')"></div>