diff --git a/build.js b/build.js
index bfa6453..9ae5975 100644
--- a/build.js
+++ b/build.js
@@ -3,7 +3,7 @@ import nodeResolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
 import babel from 'rollup-plugin-babel';
 import babelrc from 'babelrc-rollup';
-import {minify} from 'uglify-js';
+import {minify} from 'uglify-es';
 import fs from 'fs';
 
 const pkg = require('./package.json');
diff --git a/package.json b/package.json
index d900206..2300084 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "rollup-plugin-node-resolve": "^2.0.0",
     "rollup-plugin-uglify": "^1.0.1",
     "run-proxy": "^1.0.1",
-    "uglify-js": "mishoo/UglifyJS2#harmony"
+    "uglify-es": "github:mishoo/UglifyJS2#harmony"
   },
   "release-script": {
     "altPkgRootFolder": "lib"