diff --git a/README.md b/README.md
index 1ecfb1e..393c5bb 100644
--- a/README.md
+++ b/README.md
@@ -203,7 +203,10 @@ settings = {
   json: false,
   mqtt: require('mqtt'),
   host: '127.0.0.1',
-  port: 1883
+  port: 1883,
+  keyPath: 'path/to/cert.key',
+  certPath: 'path/to/cert.cert',
+  rejectUnauthorized: true
 };
 
 ascoltatori.build(settings, function (ascoltatore) {
diff --git a/lib/mqtt_ascoltatore.js b/lib/mqtt_ascoltatore.js
index c008d12..07e746a 100644
--- a/lib/mqtt_ascoltatore.js
+++ b/lib/mqtt_ascoltatore.js
@@ -18,7 +18,9 @@ var SubsCounter = require("./subs_counter");
  *  - `port`, the port to connect to;
  *  - `host`, the host to connect to;
  *  - `mqtt`, the mqtt module (it will automatically be required if not present).
- *
+ *  - `keyPath`, path to TLS-key (optional, used for connecting to a secure broker).
+ *  - `certPath`, path to TLS-certificate (optional, for connecting to a secure broker).
+ *  - `rejectUnauthorized`, Reject unauthorized connections (optional, for connecting to a secure broker).
  * @api public
  * @param {Object} opts The options object
  */
@@ -50,15 +52,23 @@ MQTTAscoltatore.prototype = Object.create(AbstractAscoltatore.prototype);
  */
 MQTTAscoltatore.prototype._startConn = function() {
   var that = this,
-    settings = null;
+    settings = null,
+    createMethod = 'createClient';
   if (this._client === undefined) {
     settings = {
       keepalive: that._opts.keepalive,
-      clientId: that._opts.clientId,
+      clientId: that._opts.clientId
     };
 
+    if(that._opts.keyPath) settings.keyPath = that._opts.keyPath;
+    if(that._opts.certPath) settings.certPath = that._opts.certPath;
+    if(that._opts.rejectUnauthorized) settings.rejectUnauthorized = that._opts.rejectUnauthorized;
+    if(settings.certPath || settings.keyPath) {
+      createMethod = 'createSecureClient';
+    }
+
     debug("connecting..");
-    this._client = that._opts.mqtt.createClient(that._opts.port, that._opts.host, settings);
+    this._client = that._opts.mqtt[createMethod](that._opts.port, that._opts.host, settings);
     this._client.setMaxListeners(0);
     this._client.on("connect", function() {
       debug("connected");
diff --git a/package.json b/package.json
index 286fc81..d7ceefc 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "sinon": "~1.7.3",
     "sinon-chai": "~2.4.0",
     "optimist": "~0.6.0",
-    "async_bench": "~0.1.0",
+    "async_bench": "~0.3.0",
     "dox-foundation": "0.5.4",
     "mosca": "git://github.com/mcollina/mosca.git",
     "jshint": "~2.3.0",