diff --git a/package.json b/package.json
index 61e5dbf..297dd7c 100644
--- a/package.json
+++ b/package.json
@@ -2,13 +2,12 @@
   "name": "svelte-app",
   "version": "1.0.0",
   "devDependencies": {
-    "rollup": "^0.47.6",
+    "rollup": "^0.49.3",
     "rollup-plugin-buble": "^0.15.0",
-    "rollup-plugin-commonjs": "^8.1.0",
+    "rollup-plugin-commonjs": "^8.2.1",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-svelte": "^3.1.0",
     "rollup-plugin-uglify": "^2.0.1",
-    "rollup-watch": "^4.3.1",
     "serve": "^6.0.6"
   },
   "scripts": {
diff --git a/rollup.config.js b/rollup.config.js
index 2d9ed69..5a323cb 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -7,13 +7,17 @@ import uglify from 'rollup-plugin-uglify';
 const production = !process.env.ROLLUP_WATCH;
 
 export default {
-	entry: 'src/main.js',
-	dest: 'public/bundle.js',
-	format: 'iife',
-	moduleName: 'app',
-	sourceMap: true,
+	input: 'src/main.js',	
+	output: {
+		sourcemap: true,	
+		format: 'iife',
+		file: 'public/bundle.js'
+	},
+	name: 'app',
 	plugins: [
 		svelte({
+			// enable run-time checks when not in production
+			dev: !production,
 			// we'll extract any component CSS out into
 			// a separate file — better for performance
 			css: css => {
diff --git a/src/main.js b/src/main.js
index e729d4a..c804cee 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,8 +1,10 @@
 import App from './App.html';
 
-window.app = new App({
+const app = new App({
 	target: document.body,
 	data: {
 		name: 'world'
 	}
-});
\ No newline at end of file
+});
+
+export default app;
\ No newline at end of file