diff --git a/package.json b/package.json
index 742381d..e6c3e7b 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": "^4.1.0",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
     "react-leaflet": "^2.4.0",
diff --git a/yarn.lock b/yarn.lock
index 7b0345e..8585c62 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4511,13 +4511,15 @@ mqtt-packet@^6.0.0:
     process-nextick-args "^2.0.0"
     safe-buffer "^5.1.2"
 
-mqtt@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/mqtt/-/mqtt-3.0.0.tgz#7961e5f61efba3eec37d5aa9c4cbcdeb6f841380"
+mqtt@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/mqtt/-/mqtt-4.1.0.tgz#efcfa4acb8789265b951452142054a5b158bef0f"
+  integrity sha512-dBihVZzaB8p9G/2ktSfamiaHmMnpCpP2du08317ZuEX1kBAbZOG9aMJQ11EChXnOX3GKUeiZYaSITueceQKT2A==
   dependencies:
     base64-js "^1.3.0"
     commist "^1.0.0"
     concat-stream "^1.6.2"
+    debug "^4.1.1"
     end-of-stream "^1.4.1"
     es6-map "^0.1.5"
     help-me "^1.0.1"