diff --git a/lib/utils.js b/lib/utils.js
index 11ff55a..cf6f2c9 100755
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const Boom = require('@hapi/boom');
+const Url = require('url');
 
 
 const internals = {};
@@ -17,12 +18,6 @@ exports.limits = {
 };
 
 
-// Extract host and port from request
-
-//                                            $1                            $2
-internals.hostHeaderRegex = /^(?:(?:\r\n)?\s)*((?:[^:]+)|(?:\[[^\]]+\]))(?::(\d+))?(?:(?:\r\n)?\s)*$/;              // (IPv4, hostname)|(IPv6)
-
-
 exports.parseHost = function (req, hostHeaderName) {
 
     hostHeaderName = (hostHeaderName ? hostHeaderName.toLowerCase() : 'host');
@@ -35,14 +30,17 @@ exports.parseHost = function (req, hostHeaderName) {
         return null;
     }
 
-    const hostParts = hostHeader.match(internals.hostHeaderRegex);
-    if (!hostParts) {
+    let uri;
+    try {
+        uri = new Url.URL('http://' + hostHeader);
+    }
+    catch (err) {
         return null;
     }
 
     return {
-        name: hostParts[1],
-        port: (hostParts[2] ? hostParts[2] : (req.connection && req.connection.encrypted ? 443 : 80))
+        name: uri.hostname,
+        port: (uri.port ? uri.port : (req.connection && req.connection.encrypted ? 443 : 80))
     };
 };
 
diff --git a/test/utils.js b/test/utils.js
index 252b35b..c9b3138 100755
--- a/test/utils.js
+++ b/test/utils.js
@@ -55,7 +55,7 @@ describe('Utils', () => {
                 method: 'POST',
                 url: '/resource/4?filter=a',
                 headers: {
-                    host: '[123:123:123]',
+                    host: '[123:123::123]',
                     'content-type': 'text/plain;x=y'
                 },
                 connection: {
@@ -72,7 +72,7 @@ describe('Utils', () => {
                 method: 'POST',
                 url: '/resource/4?filter=a',
                 headers: {
-                    host: '[123:123:123]:8000',
+                    host: '[123:123::123]:8000',
                     'content-type': 'text/plain;x=y'
                 },
                 connection: {
@@ -82,7 +82,7 @@ describe('Utils', () => {
 
             const host = Hawk.utils.parseHost(req, 'Host');
             expect(host.port).to.equal('8000');
-            expect(host.name).to.equal('[123:123:123]');
+            expect(host.name).to.equal('[123:123::123]');
         });
 
         it('errors on header too long', () => {