diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 959fd97..5596afc 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -10,6 +10,6 @@ We 💛 contributions! The rules for contributing to this org are few:
 
 ## Before Committing
 
-1. Use at least Node.js v6.14.4 or higher. [NVM](https://github.com/creationix/nvm) can be handy for switching between Node versions.
+1. Use at least Node.js v10 or higher. [NVM](https://github.com/creationix/nvm) can be handy for switching between Node versions.
 1. Lint your changes via `npm run lint`. Fix any errors and warnings before committing.
 1. Test your changes via `npm run test`. Only Pull Requests with passing tests will be accepted.
diff --git a/README.md b/README.md
index 1b10c9b..6bf6eb7 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Please consider [becoming a patron](https://www.patreon.com/shellscape) if you f
 
 ## Requirements
 
-`postcss-values-parser` Node version v6.14.0+ and PostCSS v7.0.0+.
+`postcss-values-parser` Node version v10+ and PostCSS v7.0.0+.
 
 ## Benefits
 
diff --git a/package-lock.json b/package-lock.json
index 441603a..677a9f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3382,11 +3382,6 @@
         }
       }
     },
-    "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",
@@ -3507,7 +3502,8 @@
     "is-number": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
-      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng=="
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true
     },
     "is-obj": {
       "version": "1.0.1",
@@ -3603,12 +3599,9 @@
       "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"
-      }
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/is-url-superb/-/is-url-superb-4.0.0.tgz",
+      "integrity": "sha512-GI+WjezhPPcbM+tqE9LnmsY5qqjwHzTvjJ36wxYX5ujNXefSUJ/T17r5bqDV8yLhcgB59KTPNOc9O9cmHTPWsA=="
     },
     "is-windows": {
       "version": "1.0.2",
@@ -6010,7 +6003,8 @@
     "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",
@@ -6138,15 +6132,6 @@
         "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",
diff --git a/package.json b/package.json
index 23537c3..8da5ae9 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
   "engines": {
-    "node": ">=6.14.4"
+    "node": ">=10"
   },
   "scripts": {
     "ci:coverage": "nyc npm run test && nyc report --reporter=text-lcov > coverage.lcov",
@@ -35,9 +35,8 @@
   ],
   "dependencies": {
     "color-name": "^1.1.4",
-    "is-url-superb": "^3.0.0",
-    "postcss": "^7.0.5",
-    "url-regex": "^5.0.0"
+    "is-url-superb": "^4.0.0",
+    "postcss": "^7.0.5"
   },
   "devDependencies": {
     "@commitlint/cli": "^8.1.0",
diff --git a/test/snapshots/func.test.js.md b/test/snapshots/func.test.js.md
index c921298..c162a96 100644
--- a/test/snapshots/func.test.js.md
+++ b/test/snapshots/func.test.js.md
@@ -3514,7 +3514,7 @@ Generated by [AVA](https://avajs.dev).
           Word {
             isColor: false,
             isHex: false,
-            isUrl: true,
+            isUrl: false,
             isVariable: false,
             parent: [Circular],
             raws: {
@@ -3638,7 +3638,7 @@ Generated by [AVA](https://avajs.dev).
           Word {
             isColor: false,
             isHex: false,
-            isUrl: true,
+            isUrl: false,
             isVariable: false,
             parent: [Circular],
             raws: {
diff --git a/test/snapshots/func.test.js.snap b/test/snapshots/func.test.js.snap
index eb310c1..b3b5b87 100644
Binary files a/test/snapshots/func.test.js.snap and b/test/snapshots/func.test.js.snap differ