diff --git a/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationPanelItem.vue b/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationPanelItem.vue
index 262114816..3a4fa0c86 100644
--- a/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationPanelItem.vue
+++ b/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationPanelItem.vue
@@ -56,7 +56,7 @@
           <span
             class="mt-1 text-slate-500 dark:text-slate-400 text-xxs font-semibold flex"
           >
-            {{ dynamicTime(notificationItem.created_at) }}
+            {{ dynamicTime(notificationItem.last_activity_at) }}
           </span>
         </div>
       </div>
diff --git a/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationTable.vue b/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationTable.vue
index 650a2b942..3cc4dde62 100644
--- a/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationTable.vue
+++ b/app/javascript/dashboard/routes/dashboard/notifications/components/NotificationTable.vue
@@ -58,7 +58,7 @@
           <td>
             <div class="text-right timestamp--column">
               <span class="notification--created-at">
-                {{ dynamicTime(notificationItem.created_at) }}
+                {{ dynamicTime(notificationItem.last_activity_at) }}
               </span>
             </div>
           </td>
diff --git a/app/views/api/v1/accounts/notifications/index.json.jbuilder b/app/views/api/v1/accounts/notifications/index.json.jbuilder
index e04ce22cf..b46dcb9ec 100644
--- a/app/views/api/v1/accounts/notifications/index.json.jbuilder
+++ b/app/views/api/v1/accounts/notifications/index.json.jbuilder
@@ -19,6 +19,7 @@ json.data do
       json.secondary_actor notification.secondary_actor&.push_event_data
       json.user notification.user.push_event_data
       json.created_at notification.created_at.to_i
+      json.last_activity_at notification.last_activity_at.to_i
     end
   end
 end