diff --git a/app/Filament/Pages/Auth/Registration.php b/app/Filament/Pages/Auth/Registration.php
index e857468..8f7b12b 100644
--- a/app/Filament/Pages/Auth/Registration.php
+++ b/app/Filament/Pages/Auth/Registration.php
@@ -56,7 +56,7 @@ public function form(Schema $schema): Schema
                     ->autocomplete(false)
                     ->required()
                     ->minLength(5)
-                    ->maxLength(20)
+                    ->maxLength(10)
                     ->regex('/^[a-zA-Z0-9_.-]+$/')
                     ->unique('users', 'username')
                     ->prefixIcon('heroicon-o-at-symbol'),