diff --git a/.rubocop.yml b/.rubocop.yml
index 1d1a30b..646ae5b 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,6 +6,9 @@ inherit_gem:
 AllCops:
   TargetRubyVersion: 2.3
 
+AllCops:
+  TargetRubyVersion: 2.3
+
 Metrics/LineLength:
   Exclude:
     - jekyll-sass-converter.gemspec
diff --git a/History.markdown b/History.markdown
index bd0deac..a9ab7b2 100644
--- a/History.markdown
+++ b/History.markdown
@@ -4,6 +4,10 @@
 
   * Target Ruby 2.3 (#70)
 
+### Development Fixes
+
+  * Add appveyor.yml (#76)
+
 ## 1.5.2 / 2017-02-03
 
 ### Development Fixes
diff --git a/README.md b/README.md
index 548d0a4..443cb04 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 Let Jekyll build your Sass and SCSS!
 
 [![Build Status](https://travis-ci.org/jekyll/jekyll-sass-converter.svg?branch=master)](https://travis-ci.org/jekyll/jekyll-sass-converter)
+[![Windows Build status](https://img.shields.io/appveyor/ci/jekyll/jekyll-sass-converter/master.svg?label=Windows%20build)](https://ci.appveyor.com/project/jekyll/jekyll-sass-converter/branch/master)
 
 ## Installation
 
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..62cde38
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,30 @@
+version: "{build}"
+
+clone_depth: 10
+
+branches:
+  only:
+    - master
+
+build: off
+
+install:
+  - SET PATH=C:\Ruby%RUBY_FOLDER_VER%\bin;%PATH%
+  - bundle install --retry 5 --jobs=%NUMBER_OF_PROCESSORS% --clean --path vendor\bundle
+
+environment:
+  matrix:
+    - RUBY_FOLDER_VER: "25"
+    - RUBY_FOLDER_VER: "25-x64"
+    - RUBY_FOLDER_VER: "24"
+    - RUBY_FOLDER_VER: "23"
+
+test_script:
+  - ruby --version
+  - gem --version
+  - bundler --version
+  - bash ./script/cibuild
+
+cache:
+  # If one of the files after the right arrow changes, cache will be skipped
+  - 'vendor\bundle -> appveyor.yml,Gemfile,jekyll-sass-converter.gemspec'
diff --git a/jekyll-sass-converter.gemspec b/jekyll-sass-converter.gemspec
index 7f4f3fe..d74a0ed 100644
--- a/jekyll-sass-converter.gemspec
+++ b/jekyll-sass-converter.gemspec
@@ -24,5 +24,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "jekyll", "~> 3.0"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
-  spec.add_development_dependency "rubocop-jekyll", "~> 0.1"
+  spec.add_development_dependency "rubocop-jekyll", "~> 0.1.0"
 end