diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8535d204..dbebbcb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+### Date:       2025-March-05
+### Release:    v2025030501
+
+---
+
+#### Quiz Attempt Issue Fixed
+An issue was identified which affected the ability of users to view student submissions to quizzes in Moodle 4.1. This has now been fixed.
+
+---
+
 ### Date:       2024-December-19
 ### Release:    v2024121901
 
diff --git a/db/upgrade.php b/db/upgrade.php
index 0c7e2f35..07adc55c 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -532,6 +532,7 @@ function xmldb_plagiarism_turnitin_upgrade($oldversion) {
                 $dbman->add_index($table, $index);
             }
         }
+
         upgrade_plugin_savepoint(true, 2021101800, 'plagiarism', 'turnitin');
     }
 
@@ -568,7 +569,6 @@ function xmldb_plagiarism_turnitin_upgrade($oldversion) {
         }
         upgrade_plugin_savepoint(true, 2022072501, 'plagiarism', 'turnitin');
     }
-
     return $result;
 }
 
diff --git a/lib.php b/lib.php
index 0a1cc109..454daad8 100755
--- a/lib.php
+++ b/lib.php
@@ -2601,7 +2601,14 @@ public function event_handler($eventdata) {
 
         // Queue every question submitted in a quiz attempt.
         if ($eventdata['eventtype'] == 'quiz_submitted') {
-            $attempt = mod_quiz\quiz_attempt::create($eventdata['objectid']);
+
+            if (class_exists('\mod_quiz\quiz_attempt')) {
+                $quizattemptclass = '\mod_quiz\quiz_attempt';
+            } else {
+                $quizattemptclass = 'quiz_attempt';
+            }
+            $attempt = $quizattemptclass::create($eventdata['objectid']);
+            
             foreach ($attempt->get_slots() as $slot) {
                 $qa = $attempt->get_question_attempt($slot);
                 if ($qa->get_question()->get_type_name() != 'essay' && $qa->get_question()->get_type_name() != 'coderunner') {
@@ -3203,7 +3210,13 @@ function plagiarism_turnitin_send_queued_submissions() {
 
                 require_once($CFG->dirroot . '/mod/quiz/locallib.php');
                 try {
-                    $attempt = mod_quiz\quiz_attempt::create($queueditem->itemid);
+                    if (class_exists('\mod_quiz\quiz_attempt')) {
+                        $quizattemptclass = '\mod_quiz\quiz_attempt';
+                    } else {
+                        $quizattemptclass = 'quiz_attempt';
+                    }
+                    $attempt = $quizattemptclass::create($queueditem->itemid);
+
                 } catch (Exception $e) {
                     plagiarism_turnitin_activitylog(get_string('errorcode14', 'plagiarism_turnitin'), "PP_NO_ATTEMPT");
                     $errorcode = 14;
diff --git a/version.php b/version.php
index 0633c1f0..abdf4b6b 100644
--- a/version.php
+++ b/version.php
@@ -19,7 +19,7 @@
  * @copyright 2012 iParadigms LLC
  */
 
-$plugin->version = 2024121901;
+$plugin->version = 2025030501;
 
 $plugin->release = "4.1+";
 $plugin->requires = 2018051700;