diff --git a/src/plugins/platforms/cocoa/qcocoaaccessibility.mm b/src/plugins/platforms/cocoa/qcocoaaccessibility.mm
index c5e40a40877..40c1e905119 100644
--- a/src/plugins/platforms/cocoa/qcocoaaccessibility.mm
+++ b/src/plugins/platforms/cocoa/qcocoaaccessibility.mm
@@ -36,6 +36,23 @@ void QCocoaAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event)
     }
 
     switch (event->type()) {
+    case QAccessible::Announcement: {
+        auto *announcementEvent = static_cast<QAccessibleAnnouncementEvent *>(event);
+        auto priorityLevel = (announcementEvent->priority() == QAccessible::AnnouncementPriority::Assertive)
+                ? NSAccessibilityPriorityHigh
+                : NSAccessibilityPriorityMedium;
+        NSDictionary *announcementInfo = @{
+            NSAccessibilityPriorityKey: [NSNumber numberWithInt:priorityLevel],
+            NSAccessibilityAnnouncementKey: announcementEvent->message().toNSString()
+        };
+        // post event for application element, as the comment for
+        // NSAccessibilityAnnouncementRequestedNotification in the
+        // NSAccessibilityConstants.h header says
+        NSAccessibilityPostNotificationWithUserInfo(NSApp,
+                                                    NSAccessibilityAnnouncementRequestedNotification,
+                                                    announcementInfo);
+        break;
+    }
     case QAccessible::Focus: {
         NSAccessibilityPostNotification(element, NSAccessibilityFocusedUIElementChangedNotification);
         break;