diff --git a/classes/settings_provider.php b/classes/settings_provider.php
index ae0e2a2..e4d36eb 100644
--- a/classes/settings_provider.php
+++ b/classes/settings_provider.php
@@ -194,7 +194,7 @@ protected static function add_proctor_usage_options(\mod_quiz_mod_form $quizform
         self::set_type($quizform, $mform, 'instructions', PARAM_RAW);
         self::set_default($quizform, $mform, 'instructions', '');
         $mform->addElement('static', 'ckeditor_init', '', '
-        <script src="https://cdn.ckeditor.com/4.25.0-lts/standard/ckeditor.js"></script>
+        <script src="https://cdn.ckeditor.com/4.22.1/standard/ckeditor.js"></script>
         <script>CKEDITOR.replace("instructions");</script>');
 
 
diff --git a/version.php b/version.php
index 42d44ff..8e6e3f7 100644
--- a/version.php
+++ b/version.php
@@ -24,9 +24,9 @@
  */
 
 defined('MOODLE_INTERNAL') || die();
-$plugin->version = 2024092606;
+$plugin->version = 2024101501;
 $plugin->requires = 2020061500;
-$plugin->release = '1.5.0 (Build: 2024092606)';
+$plugin->release = '1.5.0 (Build: 2024101501)';
 $plugin->component = 'quizaccess_proctor';
 $plugin->maturity = MATURITY_STABLE;