diff --git a/module_config.options b/module_config.options
index fb1f856..d2dd110 100644
--- a/module_config.options
+++ b/module_config.options
@@ -2,5 +2,5 @@
 *CannedMessageConfig.messages max_size:200
 
 *MQTTConfig.address max_size:32
-*MQTTConfig.username max_size:32
-*MQTTConfig.password max_size:32
+*MQTTConfig.username max_size:64
+*MQTTConfig.password max_size:64