diff --git a/build/release-test.js b/build/release-test.js
new file mode 100644
index 000000000..be5227a43
--- /dev/null
+++ b/build/release-test.js
@@ -0,0 +1,47 @@
+var shell = require( "shelljs" );
+var Release = {
+	define: function( props ) {
+		for ( var key in props ) {
+			Release[ key ] = props[ key ];
+		}
+	},
+	exec: function( _options, errorMessage ) {
+		var result,
+			command = _options.command || _options,
+			options = {};
+
+		if ( _options.silent ) {
+			options.silent = true;
+		}
+
+		errorMessage = errorMessage || "Error executing command: " + command;
+
+		result = shell.exec( command, options );
+		if ( result.code !== 0 ) {
+			Release.abort( errorMessage );
+		}
+
+		return result.output;
+	},
+	abort: function() {
+		console.error.apply( console, arguments );
+		process.exit( 1 );
+	},
+	newVersion: require( "../package" ).version
+};
+
+var script = require( "./release" );
+script( Release );
+
+// Ignores actual version installed, should be good enough for a test
+if ( shell.exec( "npm ls --depth 0 | grep download.jqueryui.com" ).code === 1 ) {
+	shell.exec( "npm install " + script.dependencies.join( " " ) );
+}
+
+// If AUTHORS.txt is outdated, this will update it
+// Very annoying during an actual release
+shell.exec( "grunt update-authors" );
+
+Release.generateArtifacts( function() {
+	console.log( "Done generating artifacts, verify output, should be in dist/cdn" );
+} );
diff --git a/build/release.js b/build/release.js
index bebb89fec..b868cbebd 100644
--- a/build/release.js
+++ b/build/release.js
@@ -1,5 +1,6 @@
 module.exports = function( Release ) {
 
+var crypto = require( "crypto" );
 var shell = require( "shelljs" ),
 	path = require( "path" ),
 	fs = require( "fs" );
@@ -34,23 +35,41 @@ function replaceAtVersion() {
 	return matches;
 }
 
+function addManifest( packager ) {
+	var output = packager.builtFiles;
+	output.MANIFEST = Object.keys( output ).sort( function( a, b ) {
+		return a.localeCompare( b );
+	} ).map( function( filepath ) {
+		var md5 = crypto.createHash( "md5" );
+		md5.update( output[ filepath ] );
+		return filepath + " " + md5.digest( "hex" );
+	} ).join( "\n" );
+}
+
 function buildCDNPackage( callback ) {
 	console.log( "Building CDN package" );
-	var downloadBuilder = require( "download.jqueryui.com" ),
-		jqueryUi = new downloadBuilder.JqueryUi( path.resolve( "." ) ),
-		builder = new downloadBuilder.Builder( jqueryUi, ":all:" ),
-		packer = new downloadBuilder.ThemesPacker( builder, {
-			includeJs: true
+	var JqueryUi = require( "download.jqueryui.com/lib/jquery-ui" );
+	var Package = require( "download.jqueryui.com/lib/package-1-12-themes" );
+	var Packager = require( "node-packager" );
+	var jqueryUi = new JqueryUi( path.resolve( "." ) );
+	var target = fs.createWriteStream( "../" + jqueryUi.pkg.name + "-" + jqueryUi.pkg.version + "-cdn.zip" );
+	var packager = new Packager( jqueryUi.files().cache, Package, {
+		components: jqueryUi.components().map( function( component ) {
+			return component.name;
 		} ),
-		target = "../" + jqueryUi.pkg.name + "-" + jqueryUi.pkg.version + "-cdn.zip";
-
-	// Zip dir structure must be flat, override default base folder
-	packer.basedir = "";
-	packer.zipTo( target, function( error ) {
-		if ( error ) {
-			Release.abort( "Failed to zip CDN package", error );
-		}
-		callback();
+		jqueryUi: jqueryUi,
+		themeVars: null
+	} );
+	packager.ready.then( function() {
+		addManifest( packager );
+		packager.toZip( target, {
+			basedir: ""
+		}, function( error ) {
+			if ( error ) {
+				Release.abort( "Failed to zip CDN package", error );
+			}
+			callback();
+		} );
 	} );
 }
 
@@ -91,6 +110,7 @@ Release.define( {
 };
 
 module.exports.dependencies = [
-	"download.jqueryui.com@2.1.1",
+	"download.jqueryui.com@2.1.2",
+	"node-packager@0.0.6",
 	"shelljs@0.2.6"
 ];