diff --git a/THIRD_PARTY.txt b/THIRD_PARTY.txt
index db8f1268..b8917976 100644
--- a/THIRD_PARTY.txt
+++ b/THIRD_PARTY.txt
@@ -1233,6 +1233,7 @@ https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.8.24/jquery-ui.min.js
 https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.8.24/themes/base/minified/jquery-ui.min.css
 https://cdnjs.cloudflare.com/ajax/libs/jquery-ujs/1.2.3/rails.min.js
 https://cdnjs.cloudflare.com/ajax/libs/jquery-validation-unobtrusive/3.2.12/jquery.validate.unobtrusive.min.js
+https://cdnjs.cloudflare.com/ajax/libs/jquery-validation-unobtrusive/4.0.0/jquery.validate.unobtrusive.min.js
 https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.2.1/js.cookie.min.js
 https://cdnjs.cloudflare.com/ajax/libs/js-cookie/3.0.1/js.cookie.min.js
 https://cdnjs.cloudflare.com/ajax/libs/jScrollPane/2.2.2/script/jquery.jscrollpane.min.js
diff --git a/modules/internal/targets.js b/modules/internal/targets.js
index b31df625..79d9f5a1 100644
--- a/modules/internal/targets.js
+++ b/modules/internal/targets.js
@@ -285,6 +285,7 @@ targets.setLastVersion = function (type, version) {
     if (type.startsWith('/jquery.cycle2/2.')) return '2.1.6';
     if (type.startsWith('/jquery.scrollbar/0.')) return '0.2.11';
     if (type.startsWith('/jquery-validation-unobtrusive/3.')) return '3.2.12';
+    if (type.startsWith('/jquery-validation-unobtrusive/4.')) return '4.0.0';
     if (type.startsWith('/jquery.tablesorter/2.')) return '2.31.3';
     if (type.startsWith('/jquery-scrollTo/2.')) return '2.1.3';
     if (type.startsWith('/jquery-timeago/1.')) return '1.6.7';
diff --git a/pages/updates/updates.html b/pages/updates/updates.html
index 59c72eca..39e09168 100644
--- a/pages/updates/updates.html
+++ b/pages/updates/updates.html
@@ -52,6 +52,7 @@
                             <li>jQuery Mobile CSS v1.4.5 (<a href="https://codeberg.org/nobody/LocalCDN/issues/1063">#1063</a>)</li>
                             <li>jQuery Mobile CSS & JS v1.3.2 (<a href="https://codeberg.org/nobody/LocalCDN/issues/1063">#1063</a>)</li>
                             <li>jQuery.scrollTo v2.1.3 (<a href="https://codeberg.org/nobody/LocalCDN/issues/1070">#1070</a>)</li>
+                            <li>jquery-validation-unobtrusive v4.0.0 (<a href="https://codeberg.org/nobody/LocalCDN/issues/1074">#1074</a>)</li>
                         </ul>
                         <p>Improved</p>
                         <ul>
diff --git a/resources/jquery-validation-unobtrusive/4.0.0/jquery.validate.unobtrusive.min.jsm b/resources/jquery-validation-unobtrusive/4.0.0/jquery.validate.unobtrusive.min.jsm
new file mode 100644
index 00000000..31cb03e1
--- /dev/null
+++ b/resources/jquery-validation-unobtrusive/4.0.0/jquery.validate.unobtrusive.min.jsm
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Unobtrusive validation support library for jQuery and jQuery Validate
+ * Copyright (c) .NET Foundation. All rights reserved.
+ * Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+ * @version v4.0.0
+ */
+!function(a){"function"==typeof define&&define.amd?define("jquery.validate.unobtrusive",["jquery-validation"],a):"object"==typeof module&&module.exports?module.exports=a(require("jquery-validation")):jQuery.validator.unobtrusive=a(jQuery)}(function(s){var a,o=s.validator,d="unobtrusiveValidation";function l(a,e,n){a.rules[e]=n,a.message&&(a.messages[e]=a.message)}function u(a){return a.replace(/([!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])/g,"\\$1")}function n(a){return a.substr(0,a.lastIndexOf(".")+1)}function m(a,e){return a=0===a.indexOf("*.")?a.replace("*.",e):a}function f(a){var e=s(this),n="__jquery_unobtrusive_validation_form_reset";if(!e.data(n)){e.data(n,!0);try{e.data("validator").resetForm()}finally{e.removeData(n)}e.find(".validation-summary-errors").addClass("validation-summary-valid").removeClass("validation-summary-errors"),e.find(".field-validation-error").addClass("field-validation-valid").removeClass("field-validation-error").removeData("unobtrusiveContainer").find(">*").removeData("unobtrusiveContainer")}}function p(n){function a(a,e){(a=r[a])&&s.isFunction(a)&&a.apply(n,e)}var e=s(n),t=e.data(d),i=s.proxy(f,n),r=o.unobtrusive.options||{};return t||(t={options:{errorClass:r.errorClass||"input-validation-error",errorElement:r.errorElement||"span",errorPlacement:function(){!function(a,e){var e=s(this).find("[data-valmsg-for='"+u(e[0].name)+"']"),n=(n=e.attr("data-valmsg-replace"))?!1!==s.parseJSON(n):null;e.removeClass("field-validation-valid").addClass("field-validation-error"),a.data("unobtrusiveContainer",e),n?(e.empty(),a.removeClass("input-validation-error").appendTo(e)):a.hide()}.apply(n,arguments),a("errorPlacement",arguments)},invalidHandler:function(){!function(a,e){var n=s(this).find("[data-valmsg-summary=true]"),t=n.find("ul");t&&t.length&&e.errorList.length&&(t.empty(),n.addClass("validation-summary-errors").removeClass("validation-summary-valid"),s.each(e.errorList,function(){s("<li />").html(this.message).appendTo(t)}))}.apply(n,arguments),a("invalidHandler",arguments)},messages:{},rules:{},success:function(){!function(a){var e,n=a.data("unobtrusiveContainer");n&&(e=(e=n.attr("data-valmsg-replace"))?s.parseJSON(e):null,n.addClass("field-validation-valid").removeClass("field-validation-error"),a.removeData("unobtrusiveContainer"),e&&n.empty())}.apply(n,arguments),a("success",arguments)}},attachValidation:function(){e.off("reset."+d,i).on("reset."+d,i).validate(this.options)},validate:function(){return e.validate(),e.valid()}},e.data(d,t)),t}return o.unobtrusive={adapters:[],parseElement:function(t,a){var e,i,r,o=s(t),d=o.parents("form")[0];d&&((e=p(d)).options.rules[t.name]=i={},e.options.messages[t.name]=r={},s.each(this.adapters,function(){var a="data-val-"+this.name,e=o.attr(a),n={};void 0!==e&&(a+="-",s.each(this.params,function(){n[this]=o.attr(a+this)}),this.adapt({element:t,form:d,message:e,params:n,rules:i,messages:r}))}),s.extend(i,{__dummy__:!0}),a||e.attachValidation())},parse:function(a){var a=s(a),e=a.parents().addBack().filter("form").add(a.find("form")).has("[data-val=true]");a.find("[data-val=true]").each(function(){o.unobtrusive.parseElement(this,!0)}),e.each(function(){var a=p(this);a&&a.attachValidation()})}},(a=o.unobtrusive.adapters).add=function(a,e,n){return n||(n=e,e=[]),this.push({name:a,params:e,adapt:n}),this},a.addBool=function(e,n){return this.add(e,function(a){l(a,n||e,!0)})},a.addMinMax=function(a,t,i,r,e,n){return this.add(a,[e||"min",n||"max"],function(a){var e=a.params.min,n=a.params.max;e&&n?l(a,r,[e,n]):e?l(a,t,e):n&&l(a,i,n)})},a.addSingleVal=function(e,n,t){return this.add(e,[n||"val"],function(a){l(a,t||e,a.params[n])})},o.addMethod("__dummy__",function(a,e,n){return!0}),o.addMethod("regex",function(a,e,n){return!!this.optional(e)||(e=new RegExp(n).exec(a))&&0===e.index&&e[0].length===a.length}),o.addMethod("nonalphamin",function(a,e,n){var t;return t=n?(t=a.match(/\W/g))&&t.length>=n:t}),o.methods.extension?(a.addSingleVal("accept","mimtype"),a.addSingleVal("extension","extension")):a.addSingleVal("extension","extension","accept"),a.addSingleVal("regex","pattern"),a.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url"),a.addMinMax("length","minlength","maxlength","rangelength").addMinMax("range","min","max","range"),a.addMinMax("minlength","minlength").addMinMax("maxlength","minlength","maxlength"),a.add("equalto",["other"],function(a){var e=n(a.element.name),e=m(a.params.other,e);l(a,"equalTo",s(a.form).find(":input").filter("[name='"+u(e)+"']")[0])}),a.add("required",function(a){"INPUT"===a.element.tagName.toUpperCase()&&"CHECKBOX"===a.element.type.toUpperCase()||l(a,"required",!0)}),a.add("remote",["url","type","additionalfields"],function(t){var i={url:t.params.url,type:t.params.type||"GET",data:{}},r=n(t.element.name);s.each((t.params.additionalfields||t.element.name).replace(/^\s+|\s+$/g,"").split(/\s*,\s*/g),function(a,e){var n=m(e,r);i.data[n]=function(){var a=s(t.form).find(":input").filter("[name='"+u(n)+"']");return a.is(":checkbox")?a.filter(":checked").val()||a.filter(":hidden").val()||"":a.is(":radio")?a.filter(":checked").val()||"":a.val()}}),l(t,"remote",i)}),a.add("password",["min","nonalphamin","regex"],function(a){a.params.min&&l(a,"minlength",a.params.min),a.params.nonalphamin&&l(a,"nonalphamin",a.params.nonalphamin),a.params.regex&&l(a,"regex",a.params.regex)}),a.add("fileextensions",["extensions"],function(a){l(a,"extension",a.params.extensions)}),s(function(){o.unobtrusive.parse(document)}),o.unobtrusive});
\ No newline at end of file