diff --git a/index.js b/index.js
index 68013ac..cb63452 100644
--- a/index.js
+++ b/index.js
@@ -7,6 +7,7 @@ var net = require('net')
   , events = require('events')
   , assert = require('assert')
   , util = require('util')
+  , Buffer = require('safe-buffer').Buffer
   ;
 
 exports.httpOverHttp = httpOverHttp
@@ -118,7 +119,7 @@ TunnelingAgent.prototype.createSocket = function createSocket(options, cb) {
   var placeholder = {}
   self.sockets.push(placeholder)
 
-  var connectOptions = mergeOptions({}, self.proxyOptions, 
+  var connectOptions = mergeOptions({}, self.proxyOptions,
     { method: 'CONNECT'
     , path: options.host + ':' + options.port
     , agent: false
@@ -183,7 +184,7 @@ TunnelingAgent.prototype.createSocket = function createSocket(options, cb) {
 TunnelingAgent.prototype.removeSocket = function removeSocket(socket) {
   var pos = this.sockets.indexOf(socket)
   if (pos === -1) return
-  
+
   this.sockets.splice(pos, 1)
 
   var pending = this.requests.shift()
@@ -198,7 +199,7 @@ function createSecureSocket(options, cb) {
   var self = this
   TunnelingAgent.prototype.createSocket.call(self, options, function(socket) {
     // 0 is dummy port for v0.6
-    var secureSocket = tls.connect(0, mergeOptions({}, self.options, 
+    var secureSocket = tls.connect(0, mergeOptions({}, self.options,
       { servername: options.host
       , socket: socket
       }
diff --git a/package.json b/package.json
index a503283..f3c13a2 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,9 @@
   "files": [
     "index.js"
   ],
-  "dependencies": {},
+  "dependencies": {
+    "safe-buffer": "^5.0.1"
+  },
   "devDependencies": {},
   "optionalDependencies": {},
   "engines": {