diff --git a/package.json b/package.json
index 199cc98..1430ce8 100644
--- a/package.json
+++ b/package.json
@@ -75,6 +75,7 @@
     "webpack-shell-plugin": "^0.4.2"
   },
   "dependencies": {
-    "bluebird": "^3.4.6"
+    "bluebird": "^3.4.6",
+    "fs-extra": "^1.0.0"
   }
 }
diff --git a/src/lib/sudoer.js b/src/lib/sudoer.js
index 964d10c..b2162eb 100644
--- a/src/lib/sudoer.js
+++ b/src/lib/sudoer.js
@@ -3,6 +3,8 @@ import {watchFile, unwatchFile, unlink, createReadStream, createWriteStream} fro
 import {normalize, join, dirname} from 'path';
 import {createHash} from 'crypto';
 
+import {copy} from 'fs-extra';
+
 import {readFile, writeFile, exec, spawn, mkdir, stat} from '~/lib/utils';
 
 let {platform, env} = process;
@@ -61,17 +63,15 @@ class SudoerUnix extends Sudoer {
         if (!this.options.name) { this.options.name = 'Electron'; }
     }
 
-    async copy(source, target) {
-        return new Promise(async (resolve, reject) => {
-            source = this.escapeDoubleQuotes(normalize(source));
-            target = this.escapeDoubleQuotes(normalize(target));
-            try {
-                let result = await exec(`/bin/cp -R -p "${source}" "${target}"`);
-                resolve(result);
-            }
-            catch (err) {
-                reject(err);
-            }
+    copy(source, target) {
+        return new Promise((resolve, reject) => {
+            copy(source, target, (error) => {
+                if (error) {
+                    reject(error);
+                } else {
+                    resolve();
+                }
+            })
         });
     }