diff --git a/src/rpc/server.ts b/src/rpc/server.ts
index 24d3a70..5d51e2f 100644
--- a/src/rpc/server.ts
+++ b/src/rpc/server.ts
@@ -179,6 +179,8 @@ export class RPCServer {
   private cacheRequest(request: RPCRequest, response: RPCResponse): void {
     const reqId = RPCServer.getRequestId(request);
 
+    response.updated = Date.now();
+
     this.processedRequests.set(reqId, response);
   }