diff --git a/.upgradenotes/MDL-84632-2025082011510960.yml b/.upgradenotes/MDL-84632-2025082011510960.yml
new file mode 100644
index 00000000000..ed36b64af4d
--- /dev/null
+++ b/.upgradenotes/MDL-84632-2025082011510960.yml
@@ -0,0 +1,7 @@
+issueNumber: MDL-84632
+notes:
+  mod_url:
+    - message: >-
+        The \mod_url\event\course_module_instance_list_viewed event is now
+        deprecated. Use \core\event\course_resources_list_viewed instead.
+      type: deprecated
diff --git a/public/mod/url/classes/event/course_module_instance_list_viewed.php b/public/mod/url/classes/event/course_module_instance_list_viewed.php
index 232ff8a257d..77b32c72bf4 100644
--- a/public/mod/url/classes/event/course_module_instance_list_viewed.php
+++ b/public/mod/url/classes/event/course_module_instance_list_viewed.php
@@ -14,14 +14,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
-/**
- * The mod_url instance list viewed event.
- *
- * @package    mod_url
- * @copyright  2013 Mark Nelson <markn@moodle.com>
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-
 namespace mod_url\event;
 
 defined('MOODLE_INTERNAL') || die();
@@ -33,7 +25,23 @@ defined('MOODLE_INTERNAL') || die();
  * @since      Moodle 2.7
  * @copyright  2013 Mark Nelson <markn@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @deprecated This event is deprecated and will be removed in Moodle 6.0.
+ * @todo       Remove class in 6.0 (MDL-86384)
  */
+#[\core\attribute\deprecated(
+    replacement: \core\event\course_resources_list_viewed::class,
+    since: '5.1',
+    mdl: 'MDL-84632',
+)]
 class course_module_instance_list_viewed extends \core\event\course_module_instance_list_viewed {
-
+    #[\Override]
+    #[\core\attribute\deprecated(
+        replacement: \core\event\course_resources_list_viewed::class,
+        since: '5.1',
+        mdl: 'MDL-84632',
+    )]
+    protected function init() {
+        \core\deprecation::emit_deprecation([self::class, __FUNCTION__]);
+        parent::init();
+    }
 }