diff --git a/docs/doxygen/Doxyfile b/docs/doxygen/Doxyfile
index 3bc068d0cf..eae55fe2e5 100644
--- a/docs/doxygen/Doxyfile
+++ b/docs/doxygen/Doxyfile
@@ -284,6 +284,7 @@ INPUT = \
     $(PROJECT_PATH)/components/mbedtls/esp_crt_bundle/include/esp_crt_bundle.h \
     $(PROJECT_PATH)/components/mbedtls/port/include/ecdsa/ecdsa_alt.h \
     $(PROJECT_PATH)/components/mqtt/esp-mqtt/include/mqtt_client.h \
+    $(PROJECT_PATH)/components/mqtt/esp-mqtt/include/mqtt5_client.h \
     $(PROJECT_PATH)/components/nvs_flash/include/nvs_flash.h \
     $(PROJECT_PATH)/components/nvs_flash/include/nvs.h \
     $(PROJECT_PATH)/components/nvs_flash/include/nvs_bootloader.h \
diff --git a/docs/en/api-reference/protocols/mqtt.rst b/docs/en/api-reference/protocols/mqtt.rst
index b408c3bc2d..b221a926f6 100644
--- a/docs/en/api-reference/protocols/mqtt.rst
+++ b/docs/en/api-reference/protocols/mqtt.rst
@@ -205,3 +205,4 @@ API Reference
 -------------
 
 .. include-build-file:: inc/mqtt_client.inc
+.. include-build-file:: inc/mqtt5_client.inc
diff --git a/docs/zh_CN/api-reference/protocols/mqtt.rst b/docs/zh_CN/api-reference/protocols/mqtt.rst
index 7ad56ec21e..b2a79f7445 100644
--- a/docs/zh_CN/api-reference/protocols/mqtt.rst
+++ b/docs/zh_CN/api-reference/protocols/mqtt.rst
@@ -205,3 +205,4 @@ API 参考
 -------------
 
 .. include-build-file:: inc/mqtt_client.inc
+.. include-build-file:: inc/mqtt5_client.inc