diff --git a/classes/model/level.php b/classes/model/level.php
index e9658ec..79eeada 100644
--- a/classes/model/level.php
+++ b/classes/model/level.php
@@ -128,11 +128,17 @@ public function get_random_question(): \question_definition {
 
         // build query for moodle question selection
         $sql = "
-            SELECT q.id
-              FROM {question} q 
-        INNER JOIN {qtype_multichoice_options} qmo ON q.id=qmo.questionid
-             WHERE q.qtype = ? AND qmo.single = ? AND q.category $cat_sql 
-        ";
+        SELECT q.id
+        FROM {question} q 
+            INNER JOIN {qtype_multichoice_options} qmo ON q.id=qmo.questionid
+            JOIN {question_versions} qv ON qv.questionid = q.id
+            JOIN {question_bank_entries} qbe ON qv.questionbankentryid = qbe.id
+            JOIN {question_categories} qc ON qc.id = qbe.questioncategoryid
+        WHERE (qv.version = (SELECT MAX(v.version)
+                            FROM {question_versions} v
+                                JOIN {question_bank_entries} be ON be.id = v.questionbankentryid
+                            WHERE be.id = qbe.id))
+                            AND q.qtype = ? AND qmo.single = ? AND qc.id $cat_sql ";
         $params = \array_merge(["multichoice", 1], $cat_params);
 
         // Get all available questions.
diff --git a/version.php b/version.php
index 063df51..bcf1c76 100755
--- a/version.php
+++ b/version.php
@@ -28,7 +28,7 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->component = 'mod_millionaire';
-$plugin->requires = 2017111302;
+$plugin->requires = 2022041900; //requires at least Moodle 4.0!
 $plugin->maturity = MATURITY_BETA;
-$plugin->version = 2020040301;
-$plugin->release = '0.3.16';
+$plugin->version = 2023011200;
+$plugin->release = '0.3.17';