diff --git a/THIRD_PARTY.txt b/THIRD_PARTY.txt
index 0bb58166..c63af54b 100644
--- a/THIRD_PARTY.txt
+++ b/THIRD_PARTY.txt
@@ -1122,7 +1122,7 @@ https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min
 https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/js/bootstrap.min.js
 https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.1/underscore-min.js
 https://cdnjs.cloudflare.com/ajax/libs/urlive/1.1.1/jquery.urlive.min.js
-https://cdnjs.cloudflare.com/ajax/libs/vanilla-lazyload/17.3.0/lazyload.min.js
+https://cdnjs.cloudflare.com/ajax/libs/vanilla-lazyload/17.3.1/lazyload.min.js
 https://cdnjs.cloudflare.com/ajax/libs/video.js/5.20.5/video-js.min.css
 https://cdnjs.cloudflare.com/ajax/libs/video.js/5.20.5/video.min.js
 https://cdnjs.cloudflare.com/ajax/libs/video.js/6.13.0/video-js.min.css
diff --git a/modules/internal/targets.js b/modules/internal/targets.js
index 6ebae962..a1d7be36 100644
--- a/modules/internal/targets.js
+++ b/modules/internal/targets.js
@@ -540,7 +540,7 @@ targets.setLastVersion = function (type, version) {
     } else if (type.startsWith('/urlive/1.')) {
         return '1.1.1';
     } else if (type.startsWith('/vanilla-lazyload')) {
-        return '17.3.0';
+        return '17.3.1';
     } else if (type.startsWith('/videojs-seek-buttons/')) {
         return '1.6.0';
     } else if (type.startsWith('/video.js/')) {
diff --git a/pages/updates/updates.html b/pages/updates/updates.html
index feecb9bc..7864d359 100644
--- a/pages/updates/updates.html
+++ b/pages/updates/updates.html
@@ -61,6 +61,7 @@
                         <li>Update: slick-carousel v1.8.1 -> v1.9.0 (<a href="https://codeberg.org/nobody/LocalCDN/issues/410">#410</a>)</li>
                         <li>Update: socket.io v3.1.2 -> v3.1.3 (<a href="https://codeberg.org/nobody/LocalCDN/issues/411">#411</a>)</li>
                         <li>Update: store.js v2.0.4 -> v2.0.12 (<a href="https://codeberg.org/nobody/LocalCDN/issues/412">#412</a>)</li>
+                        <li>Update: vanilla-lazyload v17.3.0 -> v17.3.1 (<a href="https://codeberg.org/nobody/LocalCDN/issues/413">#413</a>)</li>
                     </ul>
                     <div id="generator-section">
                         <div class="topic-label">
diff --git a/resources/vanilla-lazyload/17.3.0/lazyload.min.jsm b/resources/vanilla-lazyload/17.3.1/lazyload.min.jsm
similarity index 100%
rename from resources/vanilla-lazyload/17.3.0/lazyload.min.jsm
rename to resources/vanilla-lazyload/17.3.1/lazyload.min.jsm