diff --git a/moment-recur.js b/moment-recur.js
index 4fcadc6..b57a0f4 100644
--- a/moment-recur.js
+++ b/moment-recur.js
@@ -1,6 +1,16 @@
 (function (root, factory) {
     if (typeof exports === 'object') {
-        module.exports = factory(require('moment'));
+        var moment;
+        try {
+            moment = require('moment');
+        } catch(err) {
+        }
+        try {
+            moment = require('moment-timezone');
+        } catch (err) {
+
+        }
+        module.exports = factory(moment);
     } else if (typeof define === 'function' && define.amd) {
         define('moment-recur', ['moment'], factory);
     } else {
diff --git a/package.json b/package.json
index 8c27762..b77cc86 100644
--- a/package.json
+++ b/package.json
@@ -24,8 +24,6 @@
     "karma-jasmine": "~0.3.4"
   },
   "scripts": {
-    "test": "gulp test",
-    "preinstall": "npm install bower gulp",
-    "postinstall": "bower install"
+    "test": "gulp test"
   }
 }