diff --git a/package.json b/package.json
index 837933f..0a7106f 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@lwmqn/util": "^0.6.0",
     "busyman": "^0.3.0",
     "debug": "^4.1.1",
-    "mqtt": "^3.0.0",
+    "mqtt": "^4.0.0",
     "network": "^0.4.1"
   },
   "devDependencies": {