diff --git a/src/hooks/useWebSocket.ts b/src/hooks/useWebSocket.ts
index 6a719c5..567243b 100644
--- a/src/hooks/useWebSocket.ts
+++ b/src/hooks/useWebSocket.ts
@@ -26,6 +26,9 @@ export interface WSMessage {
   // Device purchase events
   devices_added?: number;
   new_device_limit?: number;
+  // Traffic purchase events
+  traffic_gb_added?: number;
+  new_traffic_limit_gb?: number;
   // Autopay events
   required_kopeks?: number;
   required_rubles?: number;