diff --git a/package.json b/package.json
index c93d5c1..4bde2d4 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,8 @@
   "homepage": "https://github.com/jampy/react-wakelock#readme",
   "main": "./dist/index.js",
   "dependencies": {
+    "prop-types": "^15.6.0",
+    "create-react-class": "^15.6.0"
   },
   "peerDependencies": {
   },
diff --git a/src/android.jsx b/src/android.jsx
index 4da63b7..f164b4b 100644
--- a/src/android.jsx
+++ b/src/android.jsx
@@ -1,4 +1,6 @@
-import React from 'react';
+import React from 'react'; 
+import PropTypes from 'prop-types';
+import createReactClass from 'create-react-class';
 
 const media = {
   // taken from https://github.com/kud/blank-video
@@ -17,12 +19,12 @@ function addSourceToVideo(element, type, dataURI) {
 }
 
 
-let WakeLockAndroid = React.createClass({
+let WakeLockAndroid = createReactClass({
 
   displayName: "WakeLockAndroid",
 
   propTypes: {
-    preventSleep: React.PropTypes.bool
+    preventSleep: PropTypes.bool
   },
 
   getDefaultProps() {
diff --git a/src/ios.jsx b/src/ios.jsx
index d836945..14c025b 100644
--- a/src/ios.jsx
+++ b/src/ios.jsx
@@ -1,14 +1,16 @@
 import React from 'react';
+import PropTypes from 'prop-types';
+import createReactClass from 'create-react-class';
 
 // method taken from https://github.com/richtr/NoSleep.js/blob/master/NoSleep.js
 // needs testing.
 
-let WakeLockIOS = React.createClass({
+let WakeLockIOS = createReactClass({
 
   displayName: "WakeLockIOS",
 
   propTypes: {
-    preventSleep: React.PropTypes.bool
+    preventSleep: PropTypes.bool
   },
 
   getDefaultProps() {