diff --git a/modules/internal/helpers.js b/modules/internal/helpers.js
index a9265d52..74fc7d93 100644
--- a/modules/internal/helpers.js
+++ b/modules/internal/helpers.js
@@ -564,7 +564,7 @@ helpers.setLastVersion = function (type, version) {
     } else if (type.includes('/toastr.js/2.')) {
         return '2.1.4';
     } else if (type.includes('/underscore.js/1.')) {
-        return '1.9.1';
+        return '1.11.0';
     } else if (type.includes('/urlive/1.')) {
         return '1.1.1';
     } else if (type.includes('/vanilla-lazyload')) {
diff --git a/pages/updates/updates.html b/pages/updates/updates.html
index 57d45a93..09288de5 100644
--- a/pages/updates/updates.html
+++ b/pages/updates/updates.html
@@ -26,6 +26,7 @@
                     </div>
                     <ul>
                         <li>Updated: Chart.js v2.9.3 -> v2.9.4 (<a href="https://codeberg.org/nobody/LocalCDN/issues/140">#140</a>)</li>
+                        <li>Updated: Underscore.js v1.9.1 -> v1.11.0 (<a href="https://codeberg.org/nobody/LocalCDN/issues/141">#141</a>)</li>
                     </ul>
                     <div id="generator-section">
                         <div class="topic-label">
diff --git a/resources/underscore.js/1.11.0/note b/resources/underscore.js/1.11.0/note
new file mode 100644
index 00000000..2b6f87f4
--- /dev/null
+++ b/resources/underscore.js/1.11.0/note
@@ -0,0 +1,4 @@
+In this directory the file was renamed.
+
+Original: underscore-esm-min.jsm
+Now: underscore-min.jsm
diff --git a/resources/underscore.js/1.11.0/underscore-min.jsm b/resources/underscore.js/1.11.0/underscore-min.jsm
new file mode 100644
index 00000000..a1d75129
--- /dev/null
+++ b/resources/underscore.js/1.11.0/underscore-min.jsm
@@ -0,0 +1,5 @@
+//     Underscore.js 1.11.0
+//     https://underscorejs.org
+//     (c) 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
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diff --git a/resources/underscore.js/1.9.1/underscore-min.jsm b/resources/underscore.js/1.9.1/underscore-min.jsm
deleted file mode 100644
index f2a20a54..00000000
--- a/resources/underscore.js/1.9.1/underscore-min.jsm
+++ /dev/null
@@ -1,5 +0,0 @@
-//     Underscore.js 1.9.1
-//     http://underscorejs.org
-//     (c) 2009-2018 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
-//     Underscore may be freely distributed under the MIT license.
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