diff --git a/README.md b/README.md
index 7b9f8b2..c4150df 100644
--- a/README.md
+++ b/README.md
@@ -203,6 +203,7 @@ monic.compile(
   {
     replacers: [
       // Replaces require to #include
+      // ("this" refers to the instance of the compiler)
       function (text, file) {
         return text.replace(/^\s*require\('(.*?)'\);/gm, '//#include $1');
       }
diff --git a/README.ru.md b/README.ru.md
index ed5aad6..2626489 100644
--- a/README.ru.md
+++ b/README.ru.md
@@ -204,6 +204,7 @@ monic.compile(
   {
     replacers: [
       // Замена require конструкций на #include
+      // (this ссылается на экземпляр сборщика)
       function (text, file) {
         return text.replace(/^\s*require\('(.*?)'\);/gm, '//#include $1');
       }
diff --git a/dist/file.js b/dist/file.js
index 3611733..f6ae73e 100644
--- a/dist/file.js
+++ b/dist/file.js
@@ -1,11 +1,11 @@
 /*!
- * Monic v2.3.3
+ * Monic v2.3.4
  * https://github.com/MonicBuilder/Monic
  *
  * Released under the MIT license
  * https://github.com/MonicBuilder/Monic/blob/master/LICENSE
  *
- * Date: Sun, 23 Aug 2015 13:08:15 GMT
+ * Date: Sat, 05 Sep 2015 13:08:56 GMT
  */
 
 'use strict';
diff --git a/dist/parser.js b/dist/parser.js
index 0065180..108b8a0 100644
--- a/dist/parser.js
+++ b/dist/parser.js
@@ -1,11 +1,11 @@
 /*!
- * Monic v2.3.3
+ * Monic v2.3.4
  * https://github.com/MonicBuilder/Monic
  *
  * Released under the MIT license
  * https://github.com/MonicBuilder/Monic/blob/master/LICENSE
  *
- * Date: Sun, 23 Aug 2015 13:08:15 GMT
+ * Date: Sat, 05 Sep 2015 13:08:56 GMT
  */
 
 'use strict';
@@ -31,10 +31,6 @@ var _glob = require('glob');
 
 var _glob2 = _interopRequireDefault(_glob);
 
-var _objectAssign = require('object-assign');
-
-var _objectAssign2 = _interopRequireDefault(_objectAssign);
-
 var _path = require('path');
 
 var path = _interopRequireWildcard(_path);
@@ -79,7 +75,7 @@ var Parser = (function () {
 
 		this.eol = eol;
 		this.replacers = replacers;
-		this.flags = _objectAssign2['default']({}, flags);
+		this.flags = _collectionJs.$C.extend(false, {}, flags);
 		this.sourceMaps = sourceMaps;
 		this.inputSourceMap = inputSourceMap;
 		this.sourceRoot = sourceRoot;
diff --git a/monic.js b/monic.js
index 514fad0..6a23c45 100644
--- a/monic.js
+++ b/monic.js
@@ -17,11 +17,13 @@ const
 	async = require('async'),
 	mkdirp = require('mkdirp'),
 	ok = require('okay'),
-	promisify = require('promisify-any'),
-	assign = require('object-assign');
+	promisify = require('promisify-any');
+
+const
+	$C = require('collection.js').$C;
 
 /** @type {!Array} */
-exports.VERSION = [2, 3, 3];
+exports.VERSION = [2, 3, 4];
 
 /**
  * Builds a file
@@ -54,7 +56,7 @@ exports.compile = function (file, opt_params, opt_callback) {
 
 function compile(file, params, callback) {
 	file = url(file);
-	params = assign({
+	params = $C.extend(false, {
 		flags: {},
 		labels: {},
 		eol: '\n',
diff --git a/package.json b/package.json
index 3a67b35..2ffa281 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "description": "File builder for JavaScript.",
   "homepage": "https://github.com/MonicBuilder/Monic",
   "main": "monic.js",
-  "version": "2.3.3",
+  "version": "2.3.4",
   "license": "MIT",
   "author": {
     "name": "kobezzza",
@@ -43,7 +43,6 @@
     "commander": "^2.5.0",
     "glob": "^5.0.5",
     "mkdirp": "^0.5.0",
-    "object-assign": "^4.0.1",
     "okay": "^1.0.0",
     "promisify-any": "^1.1.1",
     "source-map": "^0.4.2",
diff --git a/src/parser.js b/src/parser.js
index 16f256b..677de37 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -8,7 +8,6 @@
 
 import ok from 'okay';
 import glob from 'glob';
-import assign from 'object-assign';
 
 import * as path from 'path';
 import * as fs from 'fs';
@@ -33,7 +32,7 @@ export default class Parser {
 	constructor({eol, replacers, flags, sourceMaps, sourceRoot, inputSourceMap}) {
 		this.eol = eol;
 		this.replacers = replacers;
-		this.flags = assign({}, flags);
+		this.flags = $C.extend(false, {}, flags);
 		this.sourceMaps = sourceMaps;
 		this.inputSourceMap = inputSourceMap;
 		this.sourceRoot = sourceRoot;