diff --git a/types/kafkajs.d.ts b/types/kafkajs.d.ts
index 58d03a5b..8995def4 100644
--- a/types/kafkajs.d.ts
+++ b/types/kafkajs.d.ts
@@ -191,6 +191,9 @@ export type Producer = Client & {
   sendBatch(batch: ProducerBatch): Promise<RecordMetadata[]>
   flush(args?: { timeout?: number }): Promise<void>
 
+  on(name: 'ready', cb: () => void): void;
+  on(name: 'event.error', cb: (err: unknown) => void): void;
+
   // Transactional producer-only methods.
   transaction(): Promise<Transaction>
   commit(): Promise<void>