diff --git a/Gruntfile.js b/Gruntfile.js
new file mode 100644
index 0000000..6db14d5
--- /dev/null
+++ b/Gruntfile.js
@@ -0,0 +1,53 @@
+module.exports = function(grunt) {
+
+  // Project configuration.
+  grunt.initConfig({
+    pkg: grunt.file.readJSON('package.json'),
+    concat: {
+      options: {
+        separator: '\n\n',
+        stripBanners: true,
+        banner: '// <%= pkg.name %> <%= pkg.version %> | (c) <%= grunt.template.today("yyyy") %> Ryan Niemeyer |  http://www.opensource.org/licenses/mit-license\n'
+      },
+      dist: {
+        src: "src/*.js",
+        dest: 'build/<%= pkg.name %>.js'
+      }
+    },
+    uglify: {
+      options: {
+        stripBanners: true,
+        banner: '// <%= pkg.name %> <%= pkg.version %> | (c) <%= grunt.template.today("yyyy") %> Ryan Niemeyer |  http://www.opensource.org/licenses/mit-license\n'
+      },
+      build: {
+        src: 'build/<%= pkg.name %>.js',
+        dest: 'build/<%= pkg.name %>.min.js'
+      }
+    },
+    jshint: {
+      files: 'src/knockout-postbox.js',
+      options: {
+        //"-W030": false,
+        force: true
+      }
+    },
+    watch: {
+      scripts: {
+        files: ['src/*.*'],
+        tasks: ['default'],
+        options: {
+          nospawn: true
+        }
+      }
+    }
+  });
+
+  grunt.loadNpmTasks('grunt-contrib-concat');
+  grunt.loadNpmTasks('grunt-contrib-uglify');
+  grunt.loadNpmTasks('grunt-contrib-watch');
+  grunt.loadNpmTasks('grunt-contrib-jshint');
+
+  // Default task(s).
+  grunt.registerTask('default', ['jshint', 'concat', 'uglify']);
+
+};
\ No newline at end of file
diff --git a/README.md b/README.md
index ae1135a..a567afa 100644
--- a/README.md
+++ b/README.md
@@ -176,7 +176,7 @@ Dependencies
 
 Build
 -----
-This project uses anvil.js (see http://github.com/arobson/anvil.js) for building/minifying.
+This project uses [grunt](http://gruntjs.com/) for building/minifying.
 
 Install from NuGet
 ------------------
diff --git a/build.json b/build.json
deleted file mode 100644
index 764d6b6..0000000
--- a/build.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-    "source": "src",
-    "output": "build",
-    "spec": "spec",
-    "anvil.uglify" : {
-        "all": true
-    },
-    "anvil.http": {
-        "paths": {
-            "/ext": "./ext",
-            "/examples": "./examples",
-            "/build": "./build"
-        }
-    },
-    "dependencies" : [ "anvil.http", "anvil.uglify"]
-}
\ No newline at end of file
diff --git a/build/knockout-postbox.js b/build/knockout-postbox.js
index 431fe9c..e9eb36b 100644
--- a/build/knockout-postbox.js
+++ b/build/knockout-postbox.js
@@ -1,5 +1,5 @@
-//knockout-postbox 0.3.1 | (c) 2013 Ryan Niemeyer | http://www.opensource.org/licenses/mit-license
-!(function(factory) {
+// knockout-postbox 0.3.1 | (c) 2013 Ryan Niemeyer |  http://www.opensource.org/licenses/mit-license
+;(function(factory) {
     //CommonJS
     if (typeof require === "function" && typeof exports === "object" && typeof module === "object") {
         factory(require("knockout"), exports);
diff --git a/build/knockout-postbox.min.js b/build/knockout-postbox.min.js
index faca6ff..d0ab89a 100644
--- a/build/knockout-postbox.min.js
+++ b/build/knockout-postbox.min.js
@@ -1,2 +1,2 @@
-//knockout-postbox 0.3.1 | (c) 2013 Ryan Niemeyer | http://www.opensource.org/licenses/mit-license
-!function(e){typeof require=="function"&&typeof exports=="object"&&typeof module=="object"?e(require("knockout"),exports):typeof define=="function"&&define.amd?define(["knockout","exports"],e):e(ko,ko.postbox={})}(function(e,t,n){var r,i;e.subscribable.call(t),t.topicCache={},t.serializer=e.toJSON,t.publish=function(e,n){e&&(t.topicCache[e]={value:n,serialized:t.serializer(n)},t.notifySubscribers(n,e))},i=t.subscribe,t.subscribe=function(e,n,r){if(e)return i.call(t,n,r,e)},t.defaultComparer=function(e,n){return n&&t.serializer(e)===n.serialized},e.subscribable.fn.publishOn=function(e,n,i){var s;return e&&(typeof n=="function"?i=n:s=n,i=i||t.defaultComparer,r.call(this,e,"publishOn"),this.postboxSubs[e].publishOn=this.subscribe(function(n){i.call(this,n,t.topicCache[e])||t.publish(e,n)},this),s||t.publish(e,this())),this},r=function(e,t){var n=this.postboxSubs=this.postboxSubs||{};n[e]=n[e]||{},n[e][t]&&n[e][t].dispose()},e.subscribable.fn.stopPublishingOn=function(e){return r.call(this,e,"publishOn"),this},e.subscribable.fn.subscribeTo=function(i,s,o){var u,a,f,l=this;return typeof s=="function"?o=s:u=s,i&&e.isWriteableObservable(this)&&(r.call(this,i,"subscribeTo"),f=function(e){l(o?o.call(l,e):e)},this.postboxSubs[i].subscribeTo=t.subscribe(i,f),u&&(a=t.topicCache[i],a!==n&&f(a.value))),this},e.subscribable.fn.unsubscribeFrom=function(e){return r.call(this,e,"subscribeTo"),this},e.subscribable.fn.syncWith=function(e,t,n,r){return this.subscribeTo(e,t).publishOn(e,n,r),this},e.postbox=t})
\ No newline at end of file
+// knockout-postbox 0.3.1 | (c) 2013 Ryan Niemeyer |  http://www.opensource.org/licenses/mit-license
+!function(a){"function"==typeof require&&"object"==typeof exports&&"object"==typeof module?a(require("knockout"),exports):"function"==typeof define&&define.amd?define(["knockout","exports"],a):a(ko,ko.postbox={})}(function(a,b,c){var d,e;a.subscribable.call(b),b.topicCache={},b.serializer=a.toJSON,b.publish=function(a,c){a&&(b.topicCache[a]={value:c,serialized:b.serializer(c)},b.notifySubscribers(c,a))},e=b.subscribe,b.subscribe=function(a,c,d){return a?e.call(b,c,d,a):void 0},b.defaultComparer=function(a,c){return c&&b.serializer(a)===c.serialized},a.subscribable.fn.publishOn=function(a,c,e){var f;return a&&("function"==typeof c?e=c:f=c,e=e||b.defaultComparer,d.call(this,a,"publishOn"),this.postboxSubs[a].publishOn=this.subscribe(function(c){e.call(this,c,b.topicCache[a])||b.publish(a,c)},this),f||b.publish(a,this())),this},d=function(a,b){var c=this.postboxSubs=this.postboxSubs||{};c[a]=c[a]||{},c[a][b]&&c[a][b].dispose()},a.subscribable.fn.stopPublishingOn=function(a){return d.call(this,a,"publishOn"),this},a.subscribable.fn.subscribeTo=function(e,f,g){var h,i,j,k=this;return"function"==typeof f?g=f:h=f,e&&a.isWriteableObservable(this)&&(d.call(this,e,"subscribeTo"),j=function(a){k(g?g.call(k,a):a)},this.postboxSubs[e].subscribeTo=b.subscribe(e,j),h&&(i=b.topicCache[e],i!==c&&j(i.value))),this},a.subscribable.fn.unsubscribeFrom=function(a){return d.call(this,a,"subscribeTo"),this},a.subscribable.fn.syncWith=function(a,b,c,d){return this.subscribeTo(a,b).publishOn(a,c,d),this},a.postbox=b});
\ No newline at end of file
diff --git a/header.js b/header.js
deleted file mode 100644
index 352c7e2..0000000
--- a/header.js
+++ /dev/null
@@ -1 +0,0 @@
-//knockout-postbox 0.3.1 | (c) 2013 Ryan Niemeyer | http://www.opensource.org/licenses/mit-license
\ No newline at end of file
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..80c4cf6
--- /dev/null
+++ b/package.json
@@ -0,0 +1,11 @@
+{
+  "name": "knockout-postbox",
+  "version": "0.3.1",
+  "devDependencies": {
+    "grunt": "~0.4.1",
+    "grunt-contrib-uglify": "0.x.x",
+    "grunt-contrib-jshint": "0.x.x",
+    "grunt-contrib-watch": "0.x.x",
+    "grunt-contrib-concat": "0.x.x"
+  }
+}
diff --git a/src/knockout-postbox.js b/src/knockout-postbox.js
index 5beef79..e8ef98d 100644
--- a/src/knockout-postbox.js
+++ b/src/knockout-postbox.js
@@ -1,4 +1,4 @@
-!(function(factory) {
+;(function(factory) {
     //CommonJS
     if (typeof require === "function" && typeof exports === "object" && typeof module === "object") {
         factory(require("knockout"), exports);