diff --git a/doc/App.js b/doc/App.js
index fbfd0861..3a12e2db 100644
--- a/doc/App.js
+++ b/doc/App.js
@@ -19,7 +19,7 @@ import "codemirror/addon/search/match-highlighter.js";
 import "codemirror/addon/search/matchesonscrollbar.js";
 import "codemirror/addon/search/matchesonscrollbar.css";
 
-import vm from "../build/src/vm";
+import vm from "../dist/vm";
 import pkg from "../package";
 
 export default class App extends Component {
diff --git a/package.json b/package.json
index e835a1a8..50f387a3 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,7 @@
   "scripts": {
     "test":
       "rm -rf ./build && tsc -p ./ && nyc ava ./build/test ./build/src/**/*.test.js",
-    "build": "rm -rf ./build && tsc -p ./ -d",
-    "pack":
+    "build":
       "rm -rf ./dist && webpack --display-error-details --progress --colors",
     "start": "npm run build && parcel ./doc/index.html -d vm.js",
     "docs":
diff --git a/webpack.config.ts b/webpack.config.ts
index 0ef60ecc..19a7437d 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -8,7 +8,11 @@ const webpackConfig: webpack.Configuration = {
   },
   output: {
     path: path.join(__dirname, "/dist"),
-    filename: "[name].js"
+    filename: "[name].js",
+    libraryTarget: "umd"
+  },
+  externals: {
+    "babel-types": "babel-types"
   },
   resolve: {
     modules: ["node_modules"],