diff --git a/snippet.js b/snippet.js
index 9448ea3..5b7315c 100644
--- a/snippet.js
+++ b/snippet.js
@@ -1,15 +1,15 @@
 //node --prof --prof_auto profile.js
 //deps/v8/tools/mac-tick-processor v8.log
-var sys = require("sys");
+var util = require('util');
 var htmlparser = require("./htmlparser");
 
 var html = "<link>text</link>";
 
 var handler = new htmlparser.DefaultHandler(function(err, dom) {
 	if (err)
-		sys.debug("Error: " + err);
+		util.debug("Error: " + err);
 	else
-		sys.debug(sys.inspect(dom, false, null));
+		util.debug(util.inspect(dom, false, null));
 }, { enforceEmptyTags: true });
 var parser = new htmlparser.Parser(handler);
 parser.parseComplete(html);
diff --git a/utils_example.js b/utils_example.js
index d219de5..bc18544 100644
--- a/utils_example.js
+++ b/utils_example.js
@@ -1,34 +1,34 @@
 //node --prof --prof_auto profile.js
 //deps/v8/tools/mac-tick-processor v8.log
-var sys = require("sys");
+var util = require('util');
 var htmlparser = require("./lib/htmlparser");
 
 var html = "<a>text a</a><b id='x'>text b</b><c class='y'>text c</c><d id='z' class='w'><e>text e</e></d><g class='g h i'>hhh</g><yy>hellow</yy><yy id='secondyy'>world</yy>";
 
 var handler = new htmlparser.DefaultHandler(function(err, dom) {
 	if (err) {
-		sys.debug("Error: " + err);
+		util.debug("Error: " + err);
 	}
 	else {
-		sys.debug(sys.inspect(dom, false, null));
+		util.debug(util.inspect(dom, false, null));
 		var id = htmlparser.DomUtils.getElementById("x", dom);
-		sys.debug("id: " + sys.inspect(id, false, null));
+		util.debug("id: " + util.inspect(id, false, null));
 		var class = htmlparser.DomUtils.getElements({ class: "y" }, dom);
-		sys.debug("class: " + sys.inspect(class, false, null));
+		util.debug("class: " + util.inspect(class, false, null));
 		var multiclass = htmlparser.DomUtils.getElements({ class: function (value) { return(value && value.indexOf("h") > -1); } }, dom);
-		sys.debug("multiclass: " + sys.inspect(multiclass, false, null));
+		util.debug("multiclass: " + util.inspect(multiclass, false, null));
 		var name = htmlparser.DomUtils.getElementsByTagName("a", dom);
-		sys.debug("name: " + sys.inspect(name, false, null));
+		util.debug("name: " + util.inspect(name, false, null));
 		var text = htmlparser.DomUtils.getElementsByTagType("text", dom);
-		sys.debug("text: " + sys.inspect(text, false, null));
+		util.debug("text: " + util.inspect(text, false, null));
 		var nested = htmlparser.DomUtils.getElements({ tag_name: "d", id: "z", class: "w" }, dom);
 		nested = htmlparser.DomUtils.getElementsByTagName("e", nested);
 		nested = htmlparser.DomUtils.getElementsByTagType("text", nested);
-		sys.debug("nested: " + sys.inspect(nested, false, null));
+		util.debug("nested: " + util.inspect(nested, false, null));
 		var double = htmlparser.DomUtils.getElementsByTagName("yy", dom);
-		sys.debug("double: " + sys.inspect(double, false, null));
+		util.debug("double: " + util.inspect(double, false, null));
 		var single = htmlparser.DomUtils.getElements( { tag_name: "yy", id: "secondyy" }, dom);
-		sys.debug("single: " + sys.inspect(single, false, null));
+		util.debug("single: " + util.inspect(single, false, null));
 	}
 }, { verbose: false });
 var parser = new htmlparser.Parser(handler);