diff --git a/package.json b/package.json
index 189b5f2..efab398 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Run trained Keras models in your browser, GPU-powered using WebGL.",
   "scripts": {
     "lint": "standard src test",
-    "watch": "webpack src/index.js dist/keras.js --watch --config webpack.dev.config.js",
+    "watch": "webpack --watch --config webpack.dev.config.js",
     "build": "npm run lint && webpack --config webpack.prod.config.js",
     "server": "http-server . -p 3000"
   },
@@ -31,6 +31,8 @@
   },
   "homepage": "https://github.com/transcranial/keras-js#readme",
   "dependencies": {
+    "axios": "^0.14.0",
+    "bluebird": "^3.4.6",
     "cwise": "^1.0.9",
     "lodash": "^4.15.0",
     "ndarray": "^1.0.18",
@@ -47,6 +49,7 @@
     "babel-core": "^6.14.0",
     "babel-eslint": "^6.1.2",
     "babel-loader": "^6.2.5",
+    "babel-plugin-transform-async-to-module-method": "^6.8.0",
     "babel-plugin-transform-class-properties": "^6.11.5",
     "babel-plugin-transform-object-rest-spread": "^6.8.0",
     "babel-preset-latest": "^6.14.0",
@@ -72,7 +75,14 @@
     ],
     "plugins": [
       "transform-class-properties",
-      "transform-object-rest-spread"
+      "transform-object-rest-spread",
+      [
+        "transform-async-to-module-method",
+        {
+          "module": "bluebird",
+          "method": "coroutine"
+        }
+      ]
     ]
   }
 }
diff --git a/webpack.dev.config.js b/webpack.dev.config.js
index 40a2376..4d61f57 100644
--- a/webpack.dev.config.js
+++ b/webpack.dev.config.js
@@ -1,6 +1,17 @@
+const path = require('path')
 const webpack = require('webpack')
 
 module.exports = {
+  entry: [
+    'babel-polyfill',
+    path.join(__dirname, 'src/index')
+  ],
+  output: {
+    path: path.join(__dirname, 'dist'),
+    filename: 'keras.js',
+    library: 'KerasJS',
+    libraryTarget: 'umd'
+  },
   devtool: 'cheap-module-eval-source-map',
   module: {
     loaders: [
@@ -11,10 +22,6 @@ module.exports = {
       }
     ]
   },
-  output: {
-    library: 'KerasJS',
-    libraryTarget: 'umd'
-  },
   resolve: {
     extensions: ['', '.js']
   },
diff --git a/webpack.prod.config.js b/webpack.prod.config.js
index 4ae24a8..c5c0932 100644
--- a/webpack.prod.config.js
+++ b/webpack.prod.config.js
@@ -1,6 +1,17 @@
+const path = require('path')
 const webpack = require('webpack')
 
 module.exports = {
+  entry: [
+    'babel-polyfill',
+    path.join(__dirname, 'src/index')
+  ],
+  output: {
+    path: path.join(__dirname, 'dist'),
+    filename: 'keras.min.js',
+    library: 'KerasJS',
+    libraryTarget: 'umd'
+  },
   module: {
     loaders: [
       {
@@ -10,10 +21,6 @@ module.exports = {
       }
     ]
   },
-  output: {
-    library: 'KerasJS',
-    libraryTarget: 'umd'
-  },
   resolve: {
     extensions: ['', '.js']
   },