diff --git a/code/Control/UserDefinedFormController.php b/code/Control/UserDefinedFormController.php
index 29d2100..f84bc01 100644
--- a/code/Control/UserDefinedFormController.php
+++ b/code/Control/UserDefinedFormController.php
@@ -52,7 +52,7 @@ class UserDefinedFormController extends PageController
 
         // load the jquery
         if (!$page->config()->get('block_default_userforms_js')) {
-            Requirements::javascript('//code.jquery.com/jquery-1.7.2.min.js');
+            Requirements::javascript('//code.jquery.com/jquery-3.3.1.min.js');
             Requirements::javascript(
                 'silverstripe/userforms:client/thirdparty/jquery-validate/jquery.validate.min.js'
             );