diff --git a/lib/jeedom-api.js b/lib/jeedom-api.js
index 7de41bb..25b82bf 100755
--- a/lib/jeedom-api.js
+++ b/lib/jeedom-api.js
@@ -16,7 +16,9 @@
 /* jshint esversion: 6,node: true */
 'use strict';
 const axios = require('axios');
+const async = require('async');
 var DEV_DEBUG;
+const USE_QUEUES=1; // 0 = NO, or 1 or 2 etc for the concurrent tasks
 
 function JeedomClient(url, apikey, Plateform, myPlugin) {
 	this.apikey = apikey;
@@ -26,6 +28,17 @@ function JeedomClient(url, apikey, Plateform, myPlugin) {
 	this.log = this.Plateform.log;
 	this.myPlugin = myPlugin || "mobile";
 	DEV_DEBUG = Plateform.DEV_DEBUG || false;
+	this.queue = async.queue((task, callback) => {
+		if(task.type==='cmd') {
+			this._executeDeviceAction(task.ID, task.action, task.param)
+			.then((result) => callback(null, result))
+			.catch((err) => callback(err, null));
+		} else if(task.type==='scenario') {
+			this._executeScenarioAction(task.ID, task.action)
+			.then((result) => callback(null, result))
+			.catch((err) => callback(err, null));
+		}
+	}, ((USE_QUEUES===0)?1:USE_QUEUES));
 }
 
 JeedomClient.prototype.getModel = function() {
@@ -220,6 +233,16 @@ JeedomClient.prototype.updateModelInfo = function(ID,value,internal=false) {
 };
 
 JeedomClient.prototype.executeDeviceAction = function(ID, action, param) {
+	if(USE_QUEUES === 0) { return this._executeDeviceAction(ID, action, param); }
+	return new Promise((resolve, reject) => {
+		this.queue.push({ID, action, param, type:'cmd'}, (err, result) => {
+			if (err) { reject(err); }
+			else { resolve(result); }
+		});
+	});
+};
+
+JeedomClient.prototype._executeDeviceAction = function(ID, action, param) {
 	var that = this;
 	var options = {};
 	var url = that.url;
@@ -257,6 +280,16 @@ JeedomClient.prototype.executeDeviceAction = function(ID, action, param) {
 };
 
 JeedomClient.prototype.executeScenarioAction = function(ID, action) {
+	if(USE_QUEUES === 0) { return this._executeScenarioAction(ID, action); }
+	return new Promise((resolve, reject) => {
+		this.queue.push({ID, action, type:'scenario'}, (err, result) => {
+			if (err) { reject(err); }
+			else { resolve(result); }
+		});
+	});
+};
+
+JeedomClient.prototype._executeScenarioAction = function(ID, action) {
 	var that = this;
 	var url = that.url;
 	
diff --git a/package.json b/package.json
index 23d7512..0275870 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@nebz/homebridge-jeedom",
   "version": "v1.7.0",
-  "cust_serial": "0008",
+  "cust_serial": "0009",
   "description": "Homebridge plugin for Jeedom ",
   "main": "index.js",
   "private":true,
@@ -25,8 +25,9 @@
     "Siri"
   ],
   "dependencies": {
+    "async": "^3.2.5",
     "axios": ">=1.6.5",
-	"express": "^4.18.2",
+    "express": "^4.18.2",
     "fakegato-history": "NebzHB/fakegato-history#master"
   },
   "devDependencies": {