diff --git a/api.js b/api.js
index 879b822..3ad9eac 100644
--- a/api.js
+++ b/api.js
@@ -1,4 +1,4 @@
-var _ = require('underscore'),
+var _ = require('lodash'),
     Class = require('sji');
 
 var Api = module.exports = Class.extend({
@@ -7,7 +7,7 @@ var Api = module.exports = Class.extend({
             ?
             ''
             :
-            _.chain([])
+            _([])
                 .push(
                     path.replace(
                         /^(\/)?(.+[^\/])?(\/)?$/,
@@ -15,8 +15,7 @@ var Api = module.exports = Class.extend({
                         )
                 )
                 .push('/')
-                .join('')
-                .value();
+                .join('');
 
         this.app = app;
         //Default Settings For Api
@@ -50,18 +49,16 @@ var Api = module.exports = Class.extend({
 
         resource.settings = this.settings;
 
-        resource.path = _.chain([])
+        resource.path = _([])
             .push(self.path)
             .push(name)
-            .join('')
-            .value();
+            .join('');
 
-        resource.schema_path = _.chain([])
+        resource.schema_path = _([])
             .push(self.path)
             .push('schema/')
             .push(name)
-            .join('')
-            .value();
+            .join('');
 
         this.resources.push({
             name:name,
@@ -166,10 +163,7 @@ var Api = module.exports = Class.extend({
     },
     get_list_usage : function(schema)
     {
-        return _.chain(schema.filtering).map(function(field)
-        {
-            return field.usages;
-        }).flatten().push(schema.url).push(schema.sorting).value();
+        return _(schema.filtering).pluck('usages').flatten().push(schema.url).push(schema.sorting).value();
     },
     put_usage : function(schema)
     {
diff --git a/authorization.js b/authorization.js
index 1030518..9066970 100644
--- a/authorization.js
+++ b/authorization.js
@@ -1,5 +1,4 @@
-var _ = require('underscore'),
-    Class = require('sji');
+var Class = require('sji');
 
 var Authorization = module.exports = Class.extend({
     init:function () {
diff --git a/examples/package.json b/examples/package.json
index 9b713f3..eb2b0df 100644
--- a/examples/package.json
+++ b/examples/package.json
@@ -6,12 +6,12 @@
 	"contributors": [
 	],
 	"dependencies":{
-		"underscore":"",
+		"lodash":"",
 		"mongoose":"",
 		"express":"",
 		"sji":""
 	},
-	"devDependencies":{ 
+	"devDependencies":{
 	},
 	"main":"authorization.js",
 	"keywords":[],
diff --git a/mongoose_authorization.js b/mongoose_authorization.js
index 21bd7f8..8aea76f 100644
--- a/mongoose_authorization.js
+++ b/mongoose_authorization.js
@@ -1,5 +1,4 @@
-var _ = require('underscore'),
-    Authorization = require('./authorization');
+var Authorization = require('./authorization');
 
 var MongooseAuthorization = module.exports = Authorization.extend({
     init:function (user_field) {
diff --git a/mongoose_resource.js b/mongoose_resource.js
index 6a6bab3..335ec7a 100644
--- a/mongoose_resource.js
+++ b/mongoose_resource.js
@@ -1,4 +1,4 @@
-var _ = require('underscore'),
+var _ = require('lodash'),
     Class = require('sji'),
     Resource = require('./resource');
     Validation = require('./mongoose_validation');
diff --git a/mongoose_validation.js b/mongoose_validation.js
index b664e97..d6544b4 100644
--- a/mongoose_validation.js
+++ b/mongoose_validation.js
@@ -1,4 +1,4 @@
-var _ = require("underscore"),
+var _ = require("lodash"),
     Class = require('sji'),
     Validation = require('./validation');
 
diff --git a/package.json b/package.json
index 06023da..519fc69 100644
--- a/package.json
+++ b/package.json
@@ -14,8 +14,8 @@
     }
   ],
   "dependencies": {
-    "underscore": "",
-    "sji": ""
+    "lodash": "^3.0.0",
+    "sji": "0.0.1"
   },
   "devDependencies": {
     "express": "",
diff --git a/resource.js b/resource.js
index d144878..dd4a0d8 100644
--- a/resource.js
+++ b/resource.js
@@ -1,4 +1,4 @@
-var _ = require('underscore'),
+var _ = require('lodash'),
     Class = require('sji'),
     Authentication = require('./authentication'),
     Authorization = require('./authorization'),
diff --git a/validation.js b/validation.js
index 4d1089c..43bc431 100644
--- a/validation.js
+++ b/validation.js
@@ -1,5 +1,4 @@
-var _ = require('underscore'),
-    Class = require('sji');
+var Class = require('sji');
 
 var Validation = module.exports = Class.extend({
     init:function () {