diff --git a/mqtt/nodejs/package.json b/mqtt/nodejs/package.json
index 87cefb3..5c734b5 100644
--- a/mqtt/nodejs/package.json
+++ b/mqtt/nodejs/package.json
@@ -10,7 +10,7 @@
   },
   "homepage": "https://github.com/Rightech/ric-examples#readme",
   "dependencies": {
-    "dotenv": "^8.1.0",
+    "dotenv": "^8.6.0",
     "mqtt": "^2.18.8",
     "node-dht-sensor": "^0.3.0"
   }