diff --git a/lib/redmine.js b/lib/redmine.js
index 5a4cfec..2730a92 100644
--- a/lib/redmine.js
+++ b/lib/redmine.js
@@ -10,8 +10,8 @@
 /**
  * Module dependencies
  */
-var request = require('request');
 var Url = require('url');
+var querystring = require('querystring');
 
 ////////////////////////////////////////////////////////////////////////////////////
 /**
@@ -39,7 +39,30 @@ function Redmine(host, config, port) {
   }
 
   var baseUrl = Url.format(host);
-  this._request = request.defaults({baseUrl: baseUrl});
+  this._request = function (path, opts, callback) {
+    var fullpath = new Url.URL(baseUrl);
+    fullpath.pathname += path;
+    fullpath.search = querystring.stringify(opts.qs);
+
+    var http = require(fullpath.protocol.replace(/:$/, ''));
+    var req = http.request(fullpath, opts, function (res) {
+      var body = [];
+      res.on('data', function (chunk){
+        body.push(chunk);
+      });
+      res.on('end', function () {
+        body = Buffer.concat(body);
+        if (opts.json) {
+          body = JSON.parse(body);
+        }
+        //console.debug(body);
+        callback(null, res, body);
+      });
+    });
+    req.on('error', function (err) { callback(err); });
+    req.end();
+    return req;
+  };
 
   if (!config || !(config.apiKey || (config.username && config.password))) {
     throw new Error('You should provide an API key or username & password !');
diff --git a/package.json b/package.json
index 023f00c..83e35af 100644
--- a/package.json
+++ b/package.json
@@ -23,8 +23,7 @@
   "author": "wayne@zanran.me",
   "license": "GPL-3.0",
   "dependencies": {
-    "debug": "^2.2.0",
-    "request": "^2.75.0"
+    "debug": "^2.2.0"
   },
   "devDependencies": {
     "grunt": "^1.0.1",