diff --git a/docs/en/api-reference/protocols/mqtt.rst b/docs/en/api-reference/protocols/mqtt.rst
index ae95fc36ba..b6e923361d 100644
--- a/docs/en/api-reference/protocols/mqtt.rst
+++ b/docs/en/api-reference/protocols/mqtt.rst
@@ -1,10 +1,11 @@
ESP-MQTT
========
+:link_to_translation:`zh_CN:[中文]`
Overview
--------
-ESP-MQTT is an implementation of `MQTT `_ protocol client. MQTT is a lightweight publish/subscribe messaging protocol.
+ESP-MQTT is an implementation of `MQTT `__ protocol client, which is a lightweight publish/subscribe messaging protocol. Now ESP-MQTT supports `MQTT v5.0 `__.
Features
@@ -25,6 +26,7 @@ Application Examples
* :example:`protocols/mqtt/ssl_psk`: MQTT over TLS using pre-shared keys for authentication, default port 8883
* :example:`protocols/mqtt/ws`: MQTT over WebSocket, default port 80
* :example:`protocols/mqtt/wss`: MQTT over WebSocket Secure, default port 443
+ * :example:`protocols/mqtt5`: Uses ESP-MQTT library to connect to broker with MQTT v5.0
MQTT Message Retransmission
---------------------------
diff --git a/docs/zh_CN/api-reference/protocols/mqtt.rst b/docs/zh_CN/api-reference/protocols/mqtt.rst
index d164a86da9..b3e5cfc54b 100644
--- a/docs/zh_CN/api-reference/protocols/mqtt.rst
+++ b/docs/zh_CN/api-reference/protocols/mqtt.rst
@@ -1,10 +1,11 @@
ESP-MQTT
========
+:link_to_translation:`en:[English]`
概述
--------
-ESP-MQTT 是 `MQTT `_ 协议客户端的实现。MQTT 是一种基于发布/订阅模式的轻量级消息传输协议。
+ESP-MQTT 是 `MQTT `__ 协议客户端的实现,MQTT 是一种基于发布/订阅模式的轻量级消息传输协议。ESP-MQTT 当前支持 `MQTT v5.0 `__。
特性
@@ -25,6 +26,7 @@ ESP-MQTT 是 `MQTT `_ 协议客户端的实现。MQTT 是一
* :example:`protocols/mqtt/ssl_psk`:基于 TLS 的 MQTT,使用预共享密钥进行身份验证,默认端口 8883
* :example:`protocols/mqtt/ws`:基于 WebSocket 的 MQTT,默认端口 80
* :example:`protocols/mqtt/wss`:基于 WebSocket Secure 的 MQTT,默认端口 443
+ * :example:`protocols/mqtt5`: 使用 ESP-MQTT 库连接 MQTT v5.0 的服务器
MQTT 消息重传
--------------------------