diff --git a/package.json b/package.json
index 8a55947..eafb5cf 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,9 @@
   ],
   "author": "Jack Hsu <jack.hsu@gmail.com> (http://jaysoo.ca/)",
   "license": "ISC",
+  "dependencies": {
+    "prop-types": "^15.6.0"
+  },
   "devDependencies": {
     "appium": "^1.4.16",
     "babel-core": "^6.4.0",
diff --git a/src/Prompt.js b/src/Prompt.js
index d778d0a..28317d7 100644
--- a/src/Prompt.js
+++ b/src/Prompt.js
@@ -1,4 +1,5 @@
-import React, { Component, PropTypes } from 'react';
+import React, { Component } from 'react';
+import PropTypes from 'prop-types'
 import {
   Modal,
   Platform,