diff --git a/package-lock.json b/package-lock.json
index 0b8439b..8134d8e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ulms/api-clients",
-  "version": "7.6.2",
+  "version": "7.6.2-dev.1-update-mqtt",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ulms/api-clients",
-      "version": "7.6.2",
+      "version": "7.6.2-dev.1-update-mqtt",
       "license": "MIT",
       "dependencies": {
         "axios": "1.6.2",
@@ -14,7 +14,7 @@
         "events": "3.3.0",
         "lodash": "4.17.21",
         "mime": "2.6.0",
-        "mqtt": "5.5.5",
+        "mqtt": "5.6.2",
         "mqtt-pattern": "2.1.0",
         "nats.ws": "1.7.2",
         "p-queue": "7.4.1",
@@ -9730,9 +9730,9 @@
       }
     },
     "node_modules/mqtt": {
-      "version": "5.5.5",
-      "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-5.5.5.tgz",
-      "integrity": "sha512-vWglkVfumjnI53/tV+RMWbDuQL4ldGqc/wFX2EHkMy9sSV7Q0TQK+HcAtmg2QupI8DpcyNpoe2mNhaO/H4ILUg==",
+      "version": "5.6.2",
+      "resolved": "https://registry.npmjs.org/mqtt/-/mqtt-5.6.2.tgz",
+      "integrity": "sha512-bbmR8b4luc4UedbteHJ5Idc5zngJglVyogrJcE2buu+5Iipk5e3du3doBr+HCqKJt/OfuLQ9v0SfVgs6zOGZlg==",
       "dependencies": {
         "@types/readable-stream": "^4.0.5",
         "@types/ws": "^8.5.9",
diff --git a/package.json b/package.json
index eae3a5d..1b46b27 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ulms/api-clients",
-  "version": "7.6.2",
+  "version": "7.6.2-dev.1-update-mqtt",
   "description": "JavaScript API clients for ULMS platform",
   "keywords": [],
   "homepage": "https://github.com/foxford/ulms-api-clients-js#readme",
@@ -40,7 +40,7 @@
     "events": "3.3.0",
     "lodash": "4.17.21",
     "mime": "2.6.0",
-    "mqtt": "5.5.5",
+    "mqtt": "5.6.2",
     "mqtt-pattern": "2.1.0",
     "nats.ws": "1.7.2",
     "p-queue": "7.4.1",
diff --git a/src/mqtt.js b/src/mqtt.js
index 5f4d951..5469de9 100644
--- a/src/mqtt.js
+++ b/src/mqtt.js
@@ -14,6 +14,7 @@ const defaultOptions = {
   },
   protocolVersion: 5,
   reconnectPeriod: 0,
+  // timerVariant: 'native',
   username: '',
 }
 
@@ -83,7 +84,11 @@ class MQTTClient {
   }
 
   connect(options) {
-    this.client = mqtt.connect(this.url, options)
+    this.client = mqtt.connect(this.url, {
+      ...options,
+      // todo: remove it after fix (https://github.com/mqttjs/MQTT.js/issues/1873)
+      transformWsUrl: () => this.url,
+    })
 
     this.bindEventListeners()
   }