diff --git a/src/Formulario.ts b/src/Formulario.ts
index 8d37a82..9c41268 100644
--- a/src/Formulario.ts
+++ b/src/Formulario.ts
@@ -10,8 +10,8 @@ import {
 } from '@/validation/validator'
 
 export interface FormularioOptions {
-    validationRules?: any;
-    validationMessages?: Record<string, Function>;
+    validationRules?: Record<string, ValidationRuleFn>;
+    validationMessages?: Record<string, ValidationMessageI18NFn|string>;
 }
 
 /**