diff --git a/package-lock.json b/package-lock.json
index d8802a1..0d8dba0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@ulms/api-clients",
-  "version": "7.12.1",
+  "version": "7.13.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ulms/api-clients",
-      "version": "7.12.1",
+      "version": "7.13.0",
       "license": "MIT",
       "dependencies": {
         "axios": "1.6.2",
diff --git a/package.json b/package.json
index 4c99b90..f0d8fbd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ulms/api-clients",
-  "version": "7.12.1",
+  "version": "7.13.0",
   "description": "JavaScript API clients for ULMS platform",
   "keywords": [],
   "homepage": "https://github.com/foxford/ulms-api-clients-js#readme",
diff --git a/src/mqtt.js b/src/mqtt.js
index a93d15b..0c6f531 100644
--- a/src/mqtt.js
+++ b/src/mqtt.js
@@ -1,5 +1,5 @@
 /* eslint-disable max-classes-per-file */
-/* global mqtt */
+/* global bowser, mqtt */
 
 // using version from cdn
 // import mqtt from 'mqtt'
@@ -39,7 +39,13 @@ class MQTTClient {
 
   static async loadDependencies() {
     const isBigIntSupported = typeof BigInt !== 'undefined'
-    const mqttVersion = isBigIntSupported ? '5.9.1' : '3.0.0'
+    const isOldBrowserVersion = bowser
+      .getParser(window.navigator.userAgent)
+      .satisfies({
+        safari: '<15',
+      })
+    const mqttVersion =
+      isBigIntSupported && !isOldBrowserVersion ? '5.9.1' : '3.0.0'
     const source = `https://ulms-static.foxford.ngcdn.ru/prod/js/mqtt@${mqttVersion}/dist/mqtt.min.js`
 
     return retry(() => loadScript(source))