diff --git a/README.md b/README.md
index 3b657d8a1..c2b2c4182 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 [![Build Status](https://travis-ci.org/jscs-dev/node-jscs.svg?branch=master)](https://travis-ci.org/jscs-dev/node-jscs)
+[![Windows CI](https://ci.appveyor.com/api/projects/status/github/jscs-dev/node-jscs?svg=true)](https://ci.appveyor.com/project/jscs-dev/node-jscs/branch/master)
 [![Coverage Status](https://img.shields.io/coveralls/jscs-dev/node-jscs.svg?style=flat)](https://coveralls.io/r/jscs-dev/node-jscs?branch=master)
 [![Dependency Status](https://david-dm.org/jscs-dev/node-jscs.svg?theme=shields.io&style=flat)](https://david-dm.org/jscs-dev/node-jscs)
 [![devDependency Status](https://david-dm.org/jscs-dev/node-jscs/dev-status.svg?theme=shields.io&style=flat)](https://david-dm.org/jscs-dev/node-jscs#info=devDependencies)
@@ -31,3 +32,4 @@ including presets from popular style guides like jQuery, Airbnb, Google, and mor
  * [Moment.js](http://momentjs.com/)
  * [TodoMVC](http://todomvc.com/)
  * [Famous](http://famo.us/)
+
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 000000000..6798a947a
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,12 @@
+version: "{build}"
+
+install:
+  - ps: Install-Product node $env:nodejs_version
+  - node --version
+  - npm --version
+  - npm install
+
+test_script:
+  - npm test
+
+build: off
diff --git a/package.json b/package.json
index ef2eb2e48..92d6c8045 100644
--- a/package.json
+++ b/package.json
@@ -63,32 +63,32 @@
     "cli-table": "~0.3.1",
     "colors": "~1.0.3",
     "commander": "~2.6.0",
-    "esprima": "~1.2.4",
+    "esprima": "~2.0.0",
     "esprima-harmony-jscs": "1.1.0-tolerate-import",
-    "estraverse": "~1.9.0",
+    "estraverse": "~1.9.1",
     "exit": "~0.1.2",
     "glob": "~4.3.5",
     "lodash.assign": "~3.0.0",
-    "minimatch": "~2.0.0",
+    "minimatch": "~2.0.1",
     "prompt": "~0.2.14",
-    "strip-json-comments": "~1.0.1",
+    "strip-json-comments": "~1.0.2",
     "supports-color": "~1.2.0",
-    "vow": "~0.4.3",
-    "vow-fs": "~0.3.1",
-    "xmlbuilder": "~2.4.0"
+    "vow": "~0.4.8",
+    "vow-fs": "~0.3.4",
+    "xmlbuilder": "~2.5.0"
   },
   "devDependencies": {
-    "browserify": "~8.1.1",
-    "coveralls": "~2.11.1",
-    "has-ansi": "~1.0.0",
+    "browserify": "~8.1.3",
+    "coveralls": "~2.11.2",
+    "has-ansi": "~1.0.1",
     "jshint": "~2.6.0",
     "mocha": "~2.1.0",
     "regenerate": "~1.2.1",
-    "rewire": "~2.1.0",
-    "sinon": "~1.12.0",
+    "rewire": "~2.1.5",
+    "sinon": "~1.12.2",
     "unicode-7.0.0": "~0.1.5",
     "unit-coverage": "~3.3.0",
-    "xml2js": "~0.4.2"
+    "xml2js": "~0.4.4"
   },
   "bin": {
     "jscs": "./bin/jscs"
@@ -113,7 +113,7 @@
   },
   "scripts": {
     "lint": "jshint . && node bin/jscs lib test bin publish",
-    "test": "npm run lint && mocha",
+    "test": "npm run lint && mocha --color",
     "coverage": "unit-coverage run -p common",
     "coverage-html": "unit-coverage run -p common -r html -o coverage.html",
     "browserify": "browserify --standalone JscsStringChecker lib/string-checker.js -o jscs-browser.js",