diff --git a/lib/fieldValidator.js b/lib/fieldValidator.js
index d654682..a7306c7 100644
--- a/lib/fieldValidator.js
+++ b/lib/fieldValidator.js
@@ -1,16 +1,15 @@
 'use strict';
 
 var RequiredRules = require('./requiredRules');
-var Rules = require('./rules');
 var Filters = require('./filters');
 
 class FieldValidator{
-    constructor(context, fields, rules, messages, filters){
+    constructor(context, fields, rules, messages, filters, ruleClass){
         this.ctx = context;
         this.fields = fields;
 
     	this.filters = new Filters(this);
-    	this.rules = new Rules(this);
+    	this.rules = new ruleClass(this);
     	this.requiredRules = new RequiredRules(this);
 
         this.rule = {};
diff --git a/lib/fileValidator.js b/lib/fileValidator.js
index 2f70614..d9ffbed 100644
--- a/lib/fileValidator.js
+++ b/lib/fileValidator.js
@@ -1,16 +1,15 @@
 'use strict';
 
 var RequiredRules = require('./requiredRules');
-var FileRules = require('./fileRules');
 var FileActions = require('./fileActions');
 
 class FileValidator{
-	constructor(context, fields, rules, deleteOnFail, messages, actions) {
+	constructor(context, fields, rules, deleteOnFail, messages, actions, ruleClass) {
 		this.ctx = context;
 	    this.fields = fields;
 
 		this.requiredRules = new RequiredRules(this);
-		this.rules = new FileRules(this);
+		this.rules = new ruleClass(this);
 		this.actions = new FileActions(this);
 
 		this.rule = {};
diff --git a/lib/validate.js b/lib/validate.js
index 6e2ef4d..bb246b9 100644
--- a/lib/validate.js
+++ b/lib/validate.js
@@ -8,7 +8,7 @@ let Filters = require('./filters');
 let FileRules = require('./fileRules');
 let FileActions = require('./fileActions');
 
-module.exports = function() {
+module.exports = function(rulesClass, fileRulesClass) {
 	return function * (next) {
         let v;
 		this.validateBody = function *(rules, messages, filters){
@@ -23,7 +23,8 @@ module.exports = function() {
 				fields,
 				rules,
 				messages || {},
-				filters || {}
+				filters || {},
+				rulesClass || Rules
 			);
 
 			yield v.valid;
@@ -35,7 +36,8 @@ module.exports = function() {
 				this.params || {},
 				rules,
 				messages || {},
-				filters || {}
+				filters || {},
+				rulesClass || Rules
 			);
 
 			yield v.valid;
@@ -47,7 +49,8 @@ module.exports = function() {
 				this.request.query || {},
 				rules,
 				messages || {},
-				filters || {}
+				filters || {},
+				rulesClass || Rules
 			);
 
 			yield v.valid;
@@ -59,7 +62,8 @@ module.exports = function() {
 				this.headers || {},
 				rules,
 				messages || {},
-				filters || {}
+				filters || {},
+				rulesClass || Rules
 			);
 
 			yield v.valid;
@@ -74,7 +78,8 @@ module.exports = function() {
 				rules,
 				deleteOnFail || false,
 				messages || {},
-				actions || {}
+				actions || {},
+				fileRulesClass || FileRules
 			);
 
 			yield v.valid;