diff --git a/lib/errors/ModelError.ts b/lib/errors/ModelError.ts
index b2b7056..4143851 100755
--- a/lib/errors/ModelError.ts
+++ b/lib/errors/ModelError.ts
@@ -14,6 +14,10 @@ export class ModelError extends Error {
         this.statusCode = '404'
         break
       }
+      case 'E_FORBIDDEN': {
+        this.statusCode = '403'
+        break
+      }
       case 'E_BAD_REQUEST': {
         this.statusCode = '400'
         break
diff --git a/lib/index.ts b/lib/index.ts
index e68dd74..46a5060 100755
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -5,4 +5,5 @@ export { SequelizeResolver } from './SequelizeResolver'
 export { Transformer } from './transformer'
 export { Validator } from './validator'
 export { Schemas } from './schemas'
+export { Utils } from './utils'
 export { Errors }
diff --git a/lib/utils.ts b/lib/utils.ts
new file mode 100644
index 0000000..0567d86
--- /dev/null
+++ b/lib/utils.ts
@@ -0,0 +1,15 @@
+import { mergeWith } from 'lodash'
+export const Utils = {
+  mergeConfigUtil: (objValue, srcValue) => {
+    if (Array.isArray(objValue)) {
+      return [...objValue, ...srcValue]
+    }
+  },
+  mergeConfig: (...values) => {
+    const config = {}
+    values.forEach(val => {
+      return mergeWith(config, val, Utils.mergeConfigUtil)
+    })
+    return config
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index 548ddca..daf5617 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@fabrix/spool-sequelize",
-  "version": "1.1.6",
+  "version": "1.1.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 07a7bac..88c91c5 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fabrix/spool-sequelize",
-  "version": "1.1.6",
+  "version": "1.1.7",
   "description": "Spool - Datastore Spool for Sequelize.js http://sequelizejs.com",
   "scripts": {
     "build": "tsc -p ./lib/tsconfig.release.json",
diff --git a/test/unit/lib/utils.test.js b/test/unit/lib/utils.test.js
new file mode 100644
index 0000000..40da875
--- /dev/null
+++ b/test/unit/lib/utils.test.js
@@ -0,0 +1,25 @@
+const assert = require('assert')
+const app = require('../../fixtures/app')
+const lib = require('../../../dist/index')
+
+describe('lib.Utils', () => {
+  describe('#mergeConfig', () => {
+    it('should merge objects', () => {
+      const items = lib.Utils.mergeConfig({test1: 1}, {test2: 2}, {test3: 3})
+      assert.deepEqual(items, {
+        test1:  1,
+        test2: 2,
+        test3: 3
+      })
+    })
+    it('should merge objects with arrays', () => {
+      const items = lib.Utils.mergeConfig({test1: 1, arr: [1] }, {test2: 2, arr: [2]}, {test3: 3, arr: [3]})
+      assert.deepEqual(items, {
+        test1:  1,
+        test2: 2,
+        test3: 3,
+        arr: [1, 2, 3]
+      })
+    })
+  })
+})