diff --git a/Plugin.php b/Plugin.php
index fb1749f..f0f5c60 100644
--- a/Plugin.php
+++ b/Plugin.php
@@ -66,6 +66,7 @@ class Plugin extends \Mibew\Plugin\AbstractPlugin implements \Mibew\Plugin\Plugi
 
         if ($this->isAppropriatePage($request)) {
             $base_path = $request->getBasePath() . '/' . $this->getFilesPath();
+            $args['js'][] = $base_path . '/components/es5-shim/es5-shim.js';
             $args['js'][] = $base_path . '/components/emoji-images/emoji-images.js';
             $args['js'][] = $base_path . '/js/plugin.js';
         }
diff --git a/bower.json b/bower.json
index 2a65470..c3bd960 100644
--- a/bower.json
+++ b/bower.json
@@ -4,6 +4,7 @@
     "private": true,
     "dependencies": {},
     "devDependencies": {
-        "emoji-images": "https://github.com/HenrikJoreteg/emoji-images.git#154d7641a7f93699afbd7b4934c490837b8b5973"
+        "emoji-images": "https://github.com/HenrikJoreteg/emoji-images.git#154d7641a7f93699afbd7b4934c490837b8b5973",
+        "es5-shim": "~4.0.3"
     }
 }
diff --git a/gulpfile.js b/gulpfile.js
index 158dd0d..16c22f4 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -49,6 +49,7 @@ var getSources = function() {
             'LICENSE',
             'js/*',
             'css/*',
+            'components/es5-shim/es5-shim.js',
             'components/emoji-images/emoji-images.js',
             'components/emoji-images/readme.md',
             'components/emoji-images/pngs/*'