diff --git a/core/assets/vendor/jquery-form/jquery.form.min.js b/core/assets/vendor/jquery-form/jquery.form.min.js
index 4c5ee0ea36..bcc4242c46 100644
--- a/core/assets/vendor/jquery-form/jquery.form.min.js
+++ b/core/assets/vendor/jquery-form/jquery.form.min.js
@@ -1,11 +1,12 @@
 /*!
  * jQuery Form Plugin
- * version: 3.51.0-2014.06.20
- * Requires jQuery v1.5 or later
- * Copyright (c) 2014 M. Alsup
- * Examples and documentation at: http://malsup.com/jquery/form/
- * Project repository: https://github.com/malsup/form
- * Dual licensed under the MIT and GPL licenses.
- * https://github.com/malsup/form#copyright-and-license
+ * version: 4.2.1
+ * Requires jQuery v1.7.2 or later
+ * Copyright 2017 Kevin Morris
+ * Copyright 2006 M. Alsup
+ * Project repository: https://github.com/jquery-form/form
+ * Dual licensed under the MIT and LGPLv3 licenses.
+ * https://github.com/jquery-form/form#license
  */
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z=x.ownerDocument,A=o.closest("body");if(k.iframeTarget?(p=a(k.iframeTarget,z),u=p.attr2("name"),u?n=u:p.attr2("name",n)):(p=a('<iframe name="'+n+'" src="'+k.iframeSrc+'" />',z),p.css({position:"absolute",top:"-1000px",left:"-1000px"})),q=p[0],r={aborted:0,responseText:null,responseXML:null,status:0,statusText:"n/a",getAllResponseHeaders:function(){},getResponseHeader:function(){},setRequestHeader:function(){},abort:function(b){var c="timeout"===b?"timeout":"aborted";d("aborting upload... 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+//# sourceMappingURL=jquery.form.min.js.map
diff --git a/core/core.libraries.yml b/core/core.libraries.yml
index e645035613..935c814668 100644
--- a/core/core.libraries.yml
+++ b/core/core.libraries.yml
@@ -378,11 +378,11 @@ jquery.farbtastic:
     - core/jquery
 
 jquery.form:
-  remote: https://github.com/malsup/form
-  version: "3.51"
+  remote: https://github.com/jquery-form/form
+  version: "4.21"
   license:
     name: GNU-GPL-2.0-or-later
-    url: http://malsup.github.com/gpl-license-v2.txt
+    url: https://github.com/jquery-form/form/blob/master/LICENSE-LGPLv3
     gpl-compatible: true
   js:
     assets/vendor/jquery-form/jquery.form.min.js: { minified: true }