diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index b0579a30f..25751644b 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -346,6 +346,7 @@
 #define TUYA_SETOPTION_20      false             // [SetOption54] Apply SetOption20 settings to Tuya device
 #define TUYA_ALLOW_DIMMER_0    false             // [SetOption131] Allow save dimmer = 0 receved by MCU
 #define TUYA_TEMP_SET_RES      1                 // [TuyaTempSetRes] Maximum number of decimals (0 - 3) showing sensor TemperatureSet
+#define TUYA_SETOPTION_137     false             // [SetOption137] Avoid mqtt-publish of Tuya MCU heartbeat responses
 #define IR_ADD_RAW_DATA        false             // [SetOption58] Add IR Raw data to JSON message
 #define BUZZER_ENABLE          false             // [SetOption67] Enable buzzer when available
 #define DS18X20_PULL_UP        false             // [SetOption74] Enable internal pullup for single DS18x20 sensor
diff --git a/tasmota/settings.h b/tasmota/settings.h
index c0488a194..fbfac2e42 100644
--- a/tasmota/settings.h
+++ b/tasmota/settings.h
@@ -166,7 +166,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t pwm_force_same_phase : 1;     // bit 20 (v10.1.0.6) - SetOption134 - (PWM) force PWM lights to start at same phase, default is to spread phases to minimze overlap (also needed for H-bridge)
     uint32_t display_no_splash : 1;        // bit 21 (v11.0.0.2) - SetOption135 - (Display & LVGL) forece disbabling default splash screen
     uint32_t tuyasns_no_immediate : 1;     // bit 22 (v11.0.0.4) - SetOption136 - (TuyaSNS) When ON disable publish single SNS value on Tuya Receive (keep Teleperiod)
-    uint32_t spare23 : 1;                  // bit 23
+    uint32_t tuya_exclude_heartbeat : 1;   // bit 23 (v11.0.0.5) - SetOption137 - (Tuya) When Set, avoid the (mqtt-) publish of Tuya MCU Heartbeat response if SetOption66 is active
     uint32_t spare24 : 1;                  // bit 24
     uint32_t spare25 : 1;                  // bit 25
     uint32_t spare26 : 1;                  // bit 26
diff --git a/tasmota/settings.ino b/tasmota/settings.ino
index 3170ad42c..719918208 100644
--- a/tasmota/settings.ino
+++ b/tasmota/settings.ino
@@ -1208,6 +1208,7 @@ void SettingsDefaultSet2(void) {
   // Tuya
   flag3.tuya_apply_o20 |= TUYA_SETOPTION_20;
   flag5.tuya_allow_dimmer_0 |= TUYA_ALLOW_DIMMER_0;
+  flag5.tuya_exclude_heartbeat |= TUYA_SETOPTION_137;
   flag3.tuya_serial_mqtt_publish |= MQTT_TUYA_RECEIVED;
   mbflag2.temperature_set_res |= TUYA_TEMP_SET_RES;
 
diff --git a/tasmota/xdrv_16_tuyamcu.ino b/tasmota/xdrv_16_tuyamcu.ino
index 3e37d0bb8..f80efcb4e 100644
--- a/tasmota/xdrv_16_tuyamcu.ino
+++ b/tasmota/xdrv_16_tuyamcu.ino
@@ -1243,6 +1243,7 @@ void TuyaSerialInput(void)
       uint8_t dpId = 0;
       uint8_t dpDataType = 0;
       char DataStr[15];
+      bool isHeartbeat = false;
 
       if (len > 0) {
         ResponseAppend_P(PSTR(",\"CmndData\":\"%s\""), ToHex_P((unsigned char*)&Tuya.buffer[6], len, hex_char, sizeof(hex_char)));
@@ -1286,11 +1287,16 @@ void TuyaSerialInput(void)
             dpidStart += dpDataLen + 4;
           }
         }
+        else if (TUYA_CMD_HEARTBEAT == Tuya.buffer[3]) {
+          isHeartbeat = true;
+        }
       }
       ResponseAppend_P(PSTR("}}"));
 
       if (Settings->flag3.tuya_serial_mqtt_publish) {  // SetOption66 - Enable TuyaMcuReceived messages over Mqtt
-        MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_TUYA_MCU_RECEIVED));
+        if (!(isHeartbeat && Settings->flag5.tuya_exclude_heartbeat)) {  // SetOption137 - (Tuya) When Set, avoid the (mqtt-) publish of Tuya MCU Heartbeat response if SetOption66 is active
+          MqttPublishPrefixTopic_P(RESULT_OR_TELE, PSTR(D_JSON_TUYA_MCU_RECEIVED));
+        }        
       } else {
         AddLog(LOG_LEVEL_DEBUG, ResponseData());
       }