diff --git a/extra/simple-mqtt-server.js b/extra/simple-mqtt-server.js
index 66ebfe4d..5cd4cfa5 100644
--- a/extra/simple-mqtt-server.js
+++ b/extra/simple-mqtt-server.js
@@ -1,7 +1,7 @@
 const { log } = require("../src/util");
 
-const mqttUsername = "louis1";
-const mqttPassword = "!@#$LLam";
+const mqttUsername = process.env.MQTT_USERNAME;
+const mqttPassword = process.env.MQTT_PASSWORD;
 
 class SimpleMqttServer {
     aedes = require("aedes")();