diff --git a/package.json b/package.json
index 65f784e..f1b94b0 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "origami",
   "description": "Origami: a fancy ghost theme",
   "demo": "https://blog.khinenw.tk",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "engines": {
     "ghost": ">=0.9.0 <1.0.0"
   },
@@ -47,12 +47,12 @@
     "webpack-dev-server": "^2.3.0"
   },
   "dependencies": {
+    "babel-polyfill": "^6.23.0",
     "clipboard": "^1.6.0",
     "downsize": "0.0.8",
     "fitvids": "^2.0.0",
     "mdi": "^1.8.36",
     "prismjs": "^1.6.0",
-    "promise-polyfill": "^6.0.2",
     "resolve-url": "^0.2.1",
     "vue": "^2.1.10",
     "whatwg-fetch": "^2.0.2"
diff --git a/src/index.js b/src/index.js
index 8146d5d..a3d299d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,10 +2,11 @@
 import "./index.less";
 
 //Polyfills
-import Promise from 'promise-polyfill';
+/*import Promise from 'promise-polyfill';
 if (!window.Promise) {
 	window.Promise = Promise;
-}
+}*/
+import "babel-polyfill";
 import "whatwg-fetch";
 
 //Vue
@@ -60,7 +61,7 @@ new Clipboard('[data-origami-link]', {
 });
 
 window.addEventListener('load', () =>{
-	$$('pre[class*="language-"]').forEach((v) => {
-		v.setAttribute('data-lang', v.className.split(' ').find((v) => v.startsWith('language-')))
+	Array.prototype.forEach.call($$('pre[class*="language-"]'), (v) => {
+		v.setAttribute('data-lang', v.className.split(' ').find((v) => v.startsWith('language-')));
 	});
 });