diff --git a/example.js b/example.js
index d49c374..180d22d 100644
--- a/example.js
+++ b/example.js
@@ -1,11 +1,11 @@
-var sys = require('sys'),
+var util = require('util'),
     hyperpublic = require('./lib/hyperpublic');
 
 var callback = function (msg) {
   return function (data, code) {
     console.log(msg);
     console.log('------------------------');
-    console.log(sys.inspect(data));
+    console.log(util.inspect(data));
     console.log('------------------------\n');
   };
 }
diff --git a/lib/hyperpublic.js b/lib/hyperpublic.js
index c4c41c6..2747d3b 100644
--- a/lib/hyperpublic.js
+++ b/lib/hyperpublic.js
@@ -6,7 +6,7 @@
  *
  */
 
-var sys = require('sys'),
+var util = require('util'),
     request = require('request'),
     querystring = require('querystring');
 
diff --git a/tests/tests.js b/tests/tests.js
index cc80070..4c9d4c4 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -1,7 +1,7 @@
 var hyperpublic = require('../lib/hyperpublic'),
     vows = require('vows'),
     assert = require('assert'),
-    sys = require('sys');
+    util = require('util');
 
 
 var client_id = 'Y8ccbceyZZbcmNoZ8RsXLHDhxSs0qnL40SmmjRBU',