Update all deps, drop Node.js < 6 support, and update links.

.travis.yml

@@ -1,17 +1,19 @@
 sudo: false
+
 language: node_js
+
 node_js:
-  - "0.10"
-  - "0.12"
-  - "4"
-  - "5"
-  - "iojs"
+  - "6"
+  - "8"
+  - "10"
+
 before_install:
-  - if [ "$TRAVIS_NODE_VERSION" = "0.10" ]; then npm install -g npm@2; fi
   - gem update --system
   - gem install sass
+
 matrix:
   fast_finish: true
+
 cache:
   directories:
     - node_modules

CONTRIBUTING.md

@@ -1 +1 @@
-Please see the [Contributing to grunt](http://gruntjs.com/contributing) guide for information on contributing to this project.
+Please see the [Contributing to grunt](https://gruntjs.com/contributing) guide for information on contributing to this project.

README.md

@@ -6,7 +6,7 @@
 
 ## Getting Started
 
-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:
+If you haven't used [Grunt](https://gruntjs.com/) before, be sure to check out the [Getting Started](https://gruntjs.com/getting-started) guide, as it explains how to create a [Gruntfile](https://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:
 
 ```shell
 npm install grunt-contrib-sass --save-dev
@@ -24,9 +24,9 @@ grunt.loadNpmTasks('grunt-contrib-sass');
 ## Sass task
 _Run this task with the `grunt sass` command._
 
-[Sass](http://sass-lang.com) is a preprocessor that adds nested rules, variables, mixins and functions, selector inheritance, and more to CSS. Sass files compile into well-formatted, standard CSS to use in your site or application.
+[Sass](http://sass-lang.com/) is a preprocessor that adds nested rules, variables, mixins and functions, selector inheritance, and more to CSS. Sass files compile into well-formatted, standard CSS to use in your site or application.
 
-This task requires you to have [Ruby](http://www.ruby-lang.org/en/downloads/) and [Sass](http://sass-lang.com/download.html) installed. If you're on OS X or Linux you probably already have Ruby installed; test with `ruby -v` in your terminal. When you've confirmed you have Ruby installed, run `gem install sass` to install Sass.
+This task requires you to have [Ruby](http://www.ruby-lang.org/en/downloads/) and [Sass](http://sass-lang.com/install) installed. If you're on OS X or Linux you probably already have Ruby installed; test with `ruby -v` in your terminal. When you've confirmed you have Ruby installed, run `gem install sass` to install Sass.
 
 Note: Files that begin with "_" are ignored even if they match the globbing pattern. This is done to match the expected [Sass partial behaviour](http://sass-lang.com/documentation/file.SASS_REFERENCE.html#partials).
 
@@ -155,7 +155,7 @@ Don't cache to sassc files.
 Type: `Boolean`  
 Default: `false`
 
-Run `sass` with [bundle exec](http://gembundler.com/man/bundle-exec.1.html): `bundle exec sass`.
+Run `sass` with [bundle exec](https://bundler.io/man/bundle-exec.1.html): `bundle exec sass`.
 
 
 #### update
@@ -227,7 +227,7 @@ grunt.initConfig({
 
 #### Compile files in a directory
 
-Instead of naming all files you want to compile, you can use the `expand` property allowing you to specify a directory. More information available in the [grunt docs](http://gruntjs.com/configuring-tasks) - `Building the files object dynamically`.
+Instead of naming all files you want to compile, you can use the `expand` property allowing you to specify a directory. More information available in the [grunt docs](https://gruntjs.com/configuring-tasks) - `Building the files object dynamically`.
 
 ```js
 grunt.initConfig({
@@ -275,4 +275,4 @@ grunt.initConfig({
 
 Task submitted by [Sindre Sorhus](https://github.com/sindresorhus)
 
-*This file was generated on Fri Mar 18 2016 19:07:34.*
+*This file was generated on Mon Sep 10 2018 16:43:57.*

appveyor.yml

@@ -1,35 +1,22 @@
-# http://www.appveyor.com/docs/appveyor-yml
-
 clone_depth: 10
 
 version: "{build}"
 
 # What combinations to test
 environment:
   matrix:
-    - nodejs_version: "0.10"
-      platform: x86
-      ruby_folder_version: "22"
-    - nodejs_version: "0.12"
+    - nodejs_version: "6"
       platform: x86
       ruby_folder_version: "22"
-    - nodejs_version: "4"
-      platform: x64
-      ruby_folder_version: "22-x64"
-    - nodejs_version: "4"
+    - nodejs_version: "8"
       platform: x86
       ruby_folder_version: "22"
-    - nodejs_version: "5"
+    - nodejs_version: "10"
       platform: x86
       ruby_folder_version: "22"
 
 install:
   - ps: Install-Product node $env:nodejs_version $env:platform
-  - ps: >-
-      if ($env:nodejs_version -eq "0.10") {
-        npm -g install npm@2
-        $env:PATH="$env:APPDATA\npm;$env:PATH"
-      }
   - SET "PATH=C:\Ruby%ruby_folder_version%\bin;%PATH%"
   - gem install sass
   - npm install

docs/sass-examples.md

@@ -60,7 +60,7 @@ grunt.initConfig({
 
 ## Compile files in a directory
 
-Instead of naming all files you want to compile, you can use the `expand` property allowing you to specify a directory. More information available in the [grunt docs](http://gruntjs.com/configuring-tasks) - `Building the files object dynamically`.
+Instead of naming all files you want to compile, you can use the `expand` property allowing you to specify a directory. More information available in the [grunt docs](https://gruntjs.com/configuring-tasks) - `Building the files object dynamically`.
 
 ```js
 grunt.initConfig({

docs/sass-options.md

@@ -123,7 +123,7 @@ Don't cache to sassc files.
 Type: `Boolean`  
 Default: `false`
 
-Run `sass` with [bundle exec](http://gembundler.com/man/bundle-exec.1.html): `bundle exec sass`.
+Run `sass` with [bundle exec](https://bundler.io/man/bundle-exec.1.html): `bundle exec sass`.
 
 
 ## update

docs/sass-overview.md

@@ -1,5 +1,5 @@
-[Sass](http://sass-lang.com) is a preprocessor that adds nested rules, variables, mixins and functions, selector inheritance, and more to CSS. Sass files compile into well-formatted, standard CSS to use in your site or application.
+[Sass](http://sass-lang.com/) is a preprocessor that adds nested rules, variables, mixins and functions, selector inheritance, and more to CSS. Sass files compile into well-formatted, standard CSS to use in your site or application.
 
-This task requires you to have [Ruby](http://www.ruby-lang.org/en/downloads/) and [Sass](http://sass-lang.com/download.html) installed. If you're on OS X or Linux you probably already have Ruby installed; test with `ruby -v` in your terminal. When you've confirmed you have Ruby installed, run `gem install sass` to install Sass.
+This task requires you to have [Ruby](http://www.ruby-lang.org/en/downloads/) and [Sass](http://sass-lang.com/install) installed. If you're on OS X or Linux you probably already have Ruby installed; test with `ruby -v` in your terminal. When you've confirmed you have Ruby installed, run `gem install sass` to install Sass.
 
 Note: Files that begin with "_" are ignored even if they match the globbing pattern. This is done to match the expected [Sass partial behaviour](http://sass-lang.com/documentation/file.SASS_REFERENCE.html#partials).