diff --git a/lib/isUrl.js b/lib/isUrl.js
new file mode 100644
index 0000000..2384520
--- /dev/null
+++ b/lib/isUrl.js
@@ -0,0 +1,23 @@
+/*
+  Copyright © 2018 Andrew Powell
+
+  This Source Code Form is subject to the terms of the Mozilla Public
+  License, v. 2.0. If a copy of the MPL was not distributed with this
+  file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of this Source Code Form.
+*/
+const { isWebUri } = require('valid-url');
+
+const isUrl = (url) => {
+  let toValidate = url;
+
+  if (url.startsWith('//')) {
+    toValidate = `http:${url}`;
+  }
+
+  return Boolean(isWebUri(toValidate));
+};
+
+module.exports = { isUrl };
diff --git a/lib/nodes/Word.js b/lib/nodes/Word.js
index bdadbda..bd7b239 100644
--- a/lib/nodes/Word.js
+++ b/lib/nodes/Word.js
@@ -9,8 +9,8 @@
   included in all copies or substantial portions of this Source Code Form.
 */
 const colors = require('color-name');
-const isUrl = require('is-url-superb');
 
+const { isUrl } = require('../isUrl');
 const { registerWalker } = require('../walker');
 
 const Node = require('./Node');
diff --git a/package-lock.json b/package-lock.json
index 1122f56..102ed29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2844,11 +2844,6 @@
         }
       }
     },
-    "ip-regex": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/ip-regex/-/ip-regex-4.1.0.tgz",
-      "integrity": "sha512-pKnZpbgCTfH/1NLIlOduP/V+WRXzC2MOz3Qo8xmxk8C5GudJLgK5QyLVXOSWy3ParAH7Eemurl3xjv/WXYFvMA=="
-    },
     "irregular-plurals": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/irregular-plurals/-/irregular-plurals-3.2.0.tgz",
@@ -3044,14 +3039,6 @@
       "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
       "dev": true
     },
-    "is-url-superb": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/is-url-superb/-/is-url-superb-3.0.0.tgz",
-      "integrity": "sha512-3faQP+wHCGDQT1qReM5zCPx2mxoal6DzbzquFlCYJLWyy4WPTved33ea2xFbX37z4NoriEwZGIYhFtx8RUB5wQ==",
-      "requires": {
-        "url-regex": "^5.0.0"
-      }
-    },
     "is-windows": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/is-windows/-/is-windows-1.0.2.tgz",
@@ -5350,7 +5337,8 @@
     "tlds": {
       "version": "1.203.1",
       "resolved": "https://registry.npmjs.org/tlds/-/tlds-1.203.1.tgz",
-      "integrity": "sha512-7MUlYyGJ6rSitEZ3r1Q1QNV8uSIzapS8SmmhSusBuIc7uIxPPwsKllEP0GRp1NS6Ik6F+fRZvnjDWm3ecv2hDw=="
+      "integrity": "sha512-7MUlYyGJ6rSitEZ3r1Q1QNV8uSIzapS8SmmhSusBuIc7uIxPPwsKllEP0GRp1NS6Ik6F+fRZvnjDWm3ecv2hDw==",
+      "dev": true
     },
     "tmp": {
       "version": "0.0.33",
@@ -5518,15 +5506,6 @@
         "prepend-http": "^2.0.0"
       }
     },
-    "url-regex": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/url-regex/-/url-regex-5.0.0.tgz",
-      "integrity": "sha512-O08GjTiAFNsSlrUWfqF1jH0H1W3m35ZyadHrGv5krdnmPPoxP27oDTqux/579PtaroiSGm5yma6KT1mHFH6Y/g==",
-      "requires": {
-        "ip-regex": "^4.1.0",
-        "tlds": "^1.203.0"
-      }
-    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -5539,6 +5518,11 @@
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "dev": true
     },
+    "valid-url": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/valid-url/-/valid-url-1.0.9.tgz",
+      "integrity": "sha1-HBRHm0DxOXp1eC8RXkCGRHQzogA="
+    },
     "validate-npm-package-license": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
diff --git a/package.json b/package.json
index 1eb19cb..edd0113 100644
--- a/package.json
+++ b/package.json
@@ -31,9 +31,8 @@
   ],
   "dependencies": {
     "color-name": "^1.1.4",
-    "is-url-superb": "^3.0.0",
     "postcss": "^7.0.5",
-    "url-regex": "^5.0.0"
+    "valid-url": "^1.0.9"
   },
   "devDependencies": {
     "ava": "^3.5.1",