diff --git a/package.json b/package.json
index 24face4..ed9f244 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngx-mqtt",
-  "version": "6.8.4",
+  "version": "6.8.5",
   "description": "ngx mqtt client library",
   "main": "bundles/ngx-mqtt.min.js",
   "module": "./src/index.js",
@@ -33,15 +33,13 @@
   "license": "MIT",
   "peerDependencies": {
     "@angular/core": ">6.0.0",
-    "rxjs": "^6.2.1",
-    "handlebars": "^4.0.11"
+    "rxjs": ">6.2.1"
   },
   "dependencies": {
     "@types/node": "10.3.2",
     "ecstatic": ">=3.2.0",
     "ssri": ">=6.0.0",
-    "ngrok": "3.1.0",
-    "mqtt": "github:mqttjs/MQTT.js#16848192d5e31918d5b63a697803231caef74a3a"
+    "mqtt": "github:mqttjs/MQTT.js#62641d6ec22e4e51b1cacd3f692965d44a09d03e"
   },
   "devDependencies": {
     "@angular/common": "^6.0.4",
@@ -70,7 +68,7 @@
     "karma-webpack": "^3.0.0",
     "reflect-metadata": "^0.1.12",
     "rimraf": "^2.6.2",
-    "rxjs": "^6.2.1",
+    "rxjs": "^6.2.1 <6.4.0",
     "source-map-loader": "0.2.0",
     "systemjs": "0.20.10",
     "systemjs-builder": "0.16.4",