diff --git a/index.js b/index.js
index 2a0e32b..7e2c377 100644
--- a/index.js
+++ b/index.js
@@ -1,15 +1,16 @@
 'use strict';
 
-let extend = require('xtend'),
+const extend = require('xtend'),
   cookie = require('cookie-monster'),
   decode = require('jwt-decode'),
-  EventEmitter = require('events').EventEmitter;
+  EventEmitter = require('events').EventEmitter,
+  Immutable = require('immutable');
 
 module.exports = (options) => {
   options = extend({ cookie: 'XSRF-TOKEN' }, options);
 
-  let token = cookie.get(options.cookie),
-    user = decode(token);
+  const token = Immutable.fromJS(cookie.get(options.cookie)),
+    user = Immutable.fromJS(decode(token));
 
   return extend({
     getToken() {
diff --git a/package.json b/package.json
index d1ab5fb..6bd19b4 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   },
   "dependencies": {
     "cookie-monster": "0.0.7",
+    "immutable": "^3.7.4",
     "jwt-decode": "^1.1.1",
     "xtend": "^4.0.0"
   },