diff --git a/.travis.yml b/.travis.yml
index 3325c40..0aa55fa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-  - "12.3.0"
+  - "14.13.0"
 before_script:
   - npm install grunt-cli
\ No newline at end of file
diff --git a/README.md b/README.md
index ed7dff1..a9d7db2 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## Getting Started
 
-This plugin requires Grunt `>=0.4.x`.
+This plugin requires Grunt `>=1.0.x`.
 
 If you haven't used [Grunt](http://gruntjs.com/) before, be sure to check out the [Getting Started](http://gruntjs.com/getting-started) guide, as it explains how to create a [Gruntfile](http://gruntjs.com/sample-gruntfile) as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:
 
@@ -118,6 +118,8 @@ grunt.initConfig({
 
 ## Release History
 
++ v4.2.0: Update dependencies.
++ v4.1.0: Update csscomb.js to v4.3.0; update dependencies.
 + v4.0.0: Update csscomb.js to v4; update dependencies; allow src only.
 + v3.1.1: Update grunt version.
 + v3.0.0: Update csscomb.js to v3.0 but `grunt-csscomb` API doesn't change.
diff --git a/package.json b/package.json
index d8e27a1..00db708 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "grunt-csscomb",
   "description": "The grunt plugin for sorting CSS properties in specific order.",
-  "version": "4.1.0",
+  "version": "4.2.0",
   "homepage": "https://github.com/csscomb/grunt-csscomb",
   "author": [
     {
@@ -37,7 +37,7 @@
   ],
   "main": "Gruntfile.js",
   "engines": {
-    "node": ">= 6.0.0"
+    "node": ">= 10.0.0"
   },
   "scripts": {
     "test": "grunt test"
@@ -46,10 +46,10 @@
     "csscomb": "~4.3.0"
   },
   "devDependencies": {
-    "grunt": "^1.0.4",
+    "grunt": "^1.3.0",
     "grunt-contrib-clean": "^2.0.0",
     "grunt-contrib-jshint": "^2.1.0",
-    "grunt-contrib-nodeunit": "^2.0.0"
+    "grunt-contrib-nodeunit": "^2.1.0"
   },
   "peerDependencies": {
     "grunt": ">=1.0.0"