diff --git a/Slideshow.js b/Slideshow.js
index 580c18f..f2a8c94 100644
--- a/Slideshow.js
+++ b/Slideshow.js
@@ -12,7 +12,7 @@ import {
   TouchableOpacity,
   Dimensions,
 } from 'react-native';
-
+import PropTypes from 'prop-types';
 const reactNativePackage = require('react-native/package.json');
 const splitVersion = reactNativePackage.version.split('.');
 const majorVersion = +splitVersion[0];