diff --git a/package.json b/package.json
index 742381d..9acd4f0 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@mdi/font": "^4.0.96",
     "leaflet": "^1.5.1",
     "lodash-es": "^4.17.15",
-    "mqtt": "^3.0.0",
+    "mqtt": "^4.0.0",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-leaflet": "^2.4.0",