diff --git a/modules/Media.js b/modules/Media.js
index 8534072..a9349c6 100644
--- a/modules/Media.js
+++ b/modules/Media.js
@@ -1,4 +1,5 @@
-import React, { PropTypes } from 'react'
+import PropTypes from 'prop-types'
+import React from 'react'
 import json2mq from 'json2mq'
 
 const queryType = PropTypes.oneOfType([
@@ -12,6 +13,7 @@ const queryType = PropTypes.oneOfType([
  */
 class Media extends React.Component {
   static propTypes = {
+    defaultMatches: PropTypes.bool,
     query: queryType,
     queries: PropTypes.objectOf(queryType),
     render: PropTypes.func,
@@ -68,7 +70,7 @@ class Media extends React.Component {
 
     if (queries) {
       queries = Object.keys(queries).map(mq => ({
-        name: mq, 
+        name: mq,
         qs: json2mq(queries[mq]),
       }))
       this.queries = queries.map(mq => ({
diff --git a/package.json b/package.json
index 9e2c323..8a06154 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,8 @@
     "react": ">=15 || ^0.14.7"
   },
   "dependencies": {
-    "json2mq": "^0.2.0"
+    "json2mq": "^0.2.0",
+    "prop-types": ">=15"
   },
   "devDependencies": {
     "babel-cli": "^6.11.4",