diff --git a/factoryWithTypeCheckers.js b/factoryWithTypeCheckers.js
index 35ec03c..ac2aee9 100644
--- a/factoryWithTypeCheckers.js
+++ b/factoryWithTypeCheckers.js
@@ -8,6 +8,7 @@
 'use strict';
 
 var assign = require('object-assign');
+var has = require('has');
 
 var ReactPropTypesSecret = require('./lib/ReactPropTypesSecret');
 var checkPropTypes = require('./checkPropTypes');
@@ -318,7 +319,7 @@ module.exports = function(isValidElement, throwOnDirectAccess) {
         return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
       }
       for (var key in propValue) {
-        if (Object.prototype.hasOwnProperty.call(propValue, key)) {
+        if (has(propValue, key)) {
           var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret);
           if (error instanceof Error) {
             return error;
diff --git a/package.json b/package.json
index c06a16c..98e5cea 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,8 @@
   "homepage": "https://facebook.github.io/react/",
   "dependencies": {
     "loose-envify": "^1.3.1",
-    "object-assign": "^4.1.1"
+    "object-assign": "^4.1.1",
+    "has": "^1.0.1"
   },
   "scripts": {
     "test": "jest",
diff --git a/yarn.lock b/yarn.lock
index 3ab3ab7..8392691 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1239,7 +1239,7 @@ has-flag@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
 
-has@^1.0.0:
+has@^1.0.0, has@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
   dependencies: