diff --git a/lib/client.js b/lib/client.js
index fbc7534..8cba899 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.8.0
+// Generated by CoffeeScript 1.10.0
 var Client, Collection, MongoClient, utils;
 
 utils = require('./utils');
diff --git a/lib/collection.js b/lib/collection.js
index 1a1c4c3..1b8f391 100644
--- a/lib/collection.js
+++ b/lib/collection.js
@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.8.0
+// Generated by CoffeeScript 1.10.0
 var Collection, mongodb, oid, prepare, utils;
 
 utils = require('./utils');
@@ -20,19 +20,19 @@ Collection = (function() {
   };
 
   Collection.prototype._find = function(params, options, fn) {
-    var _ref;
-    _ref = utils.normalize(params, options, fn), params = _ref.params, options = _ref.options, fn = _ref.fn;
+    var ref;
+    ref = utils.normalize(params, options, fn), params = ref.params, options = ref.options, fn = ref.fn;
     this.db.open(this.name, function(err, col) {
-      var cursor, field, fields, _i, _len, _ref1;
+      var cursor, field, fields, i, len, ref1;
       if (err) {
         fn(err, []);
         return;
       }
       fields = {};
       if (options && utils.is.arr(options.fields)) {
-        _ref1 = options.fields;
-        for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
-          field = _ref1[_i];
+        ref1 = options.fields;
+        for (i = 0, len = ref1.length; i < len; i++) {
+          field = ref1[i];
           if (!utils.is.str(field)) {
             continue;
           }
@@ -65,15 +65,15 @@ Collection = (function() {
   };
 
   Collection.prototype.findOne = function(params, options, fn) {
-    var _ref;
-    _ref = utils.normalize(params, options, fn), params = _ref.params, options = _ref.options, fn = _ref.fn;
+    var ref;
+    ref = utils.normalize(params, options, fn), params = ref.params, options = ref.options, fn = ref.fn;
     if (!options) {
       options = {};
     }
     options.limit = 1;
     this._find(params, options, function(error, response) {
-      var _ref1;
-      response = (_ref1 = response[0]) != null ? _ref1 : false;
+      var ref1;
+      response = (ref1 = response[0]) != null ? ref1 : false;
       fn(error, response);
     });
   };
@@ -95,15 +95,15 @@ Collection = (function() {
     } : {};
     options.limit = 1;
     this._find(params, options, function(error, response) {
-      var _ref;
-      response = (_ref = response[0]) != null ? _ref : false;
+      var ref;
+      response = (ref = response[0]) != null ? ref : false;
       fn(error, response);
     });
   };
 
   Collection.prototype.save = function(params, fn) {
-    var _ref;
-    _ref = utils.normalize(params, fn), params = _ref.params, fn = _ref.fn;
+    var ref;
+    ref = utils.normalize(params, fn), params = ref.params, fn = ref.fn;
     this.db.open(this.name, function(err, col) {
       if (err) {
         fn(err, []);
@@ -129,8 +129,8 @@ Collection = (function() {
   };
 
   Collection.prototype.update = function(params, data, fn) {
-    var options, _ref;
-    _ref = utils.normalize(params, data, fn), params = _ref.params, options = _ref.options, fn = _ref.fn;
+    var options, ref;
+    ref = utils.normalize(params, data, fn), params = ref.params, options = ref.options, fn = ref.fn;
     this.db.open(this.name, function(err, col) {
       if (err) {
         fn(err, false);
@@ -151,8 +151,8 @@ Collection = (function() {
   };
 
   Collection.prototype._remove = function(params, fn) {
-    var _ref;
-    _ref = utils.normalize(params, fn), params = _ref.params, fn = _ref.fn;
+    var ref;
+    ref = utils.normalize(params, fn), params = ref.params, fn = ref.fn;
     this.db.open(this.name, function(err, col) {
       if (err) {
         fn(err, []);
@@ -179,8 +179,8 @@ Collection = (function() {
   };
 
   Collection.prototype.count = function(params, fn) {
-    var _ref;
-    _ref = utils.normalize(params, fn), params = _ref.params, fn = _ref.fn;
+    var ref;
+    ref = utils.normalize(params, fn), params = ref.params, fn = ref.fn;
     this.db.open(this.name, function(err, col) {
       if (err) {
         fn(err, []);
diff --git a/lib/index.js b/lib/index.js
index 249df59..ad4eec9 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.8.0
+// Generated by CoffeeScript 1.10.0
 var exports;
 
 module.exports = exports = require('./client');
diff --git a/lib/utils.js b/lib/utils.js
index 795836c..542fc6b 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -1,4 +1,4 @@
-// Generated by CoffeeScript 1.8.0
+// Generated by CoffeeScript 1.10.0
 var arr, fun, obj, str;
 
 fun = function(f) {
diff --git a/package.json b/package.json
index 4b14aae..fd6b485 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "easymongo"
-  , "version": "4.0.1"
+  , "version": "4.0.2"
   , "description": "Simple interface for the MongoDB API"
   , "keywords": ["easymongo", "mongo", "mongodb"]
   , "author": "Alexey Simonenko <alexey@simonenko.su>"
@@ -30,4 +30,4 @@
       , "test": "mocha --reporter dot"
     }
   , "license": "MIT"
-}
\ No newline at end of file
+}