diff --git a/src/environments/environment.prod.ts b/src/environments/environment.prod.ts
index e3b5186eeae9dba64a999c100fed944ef716184b..2c54d386a530891356978938e4d71adbb2dc081f 100644
--- a/src/environments/environment.prod.ts
+++ b/src/environments/environment.prod.ts
@@ -22,7 +22,7 @@ export const environment = {
 export const MQTTconfig: IMqttServiceOptions = {
   hostname: 'broker.hivemq.com',
   port: 8000,
-  protocol: 'ws',
+  protocol: 'wss',
   path: '/mqtt'
 };