diff --git a/yealink-bridge/config.json b/yealink-bridge/config.json
index 1bb9631..689542c 100644
--- a/yealink-bridge/config.json
+++ b/yealink-bridge/config.json
@@ -1,7 +1,7 @@
 {
   "slug": "yealink_bridge",
   "name": "Yealink Bridge",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "url": "https://git.drgn.moe/BlackDragon/yealink-bridge",
   "stage": "stable",
   "description": "Yealink bridge",
@@ -29,8 +29,8 @@
   "schema": {
   	"mqtt_broker": "str",
     "mqtt_topic": "str",
-    "mqtt_username": "str",
-    "mqtt_password": "str",
+    "mqtt_username": "str?",
+    "mqtt_password": "str?",
     "yealink_username": "str",
     "yealink_password": "str",
     "yealink_ip": "str",