diff --git a/gulpfile.js b/gulpfile.js
index 2ca249d..65ac9ae 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -17,7 +17,8 @@ var taskConfig = {
 		dependencies: [
 			'classnames',
 			'react',
-			'react-dom'
+			'react-dom',
+			'prop-types'
 		],
 		lib: 'lib'
 	},
diff --git a/lib/ReactInputValidation.js b/lib/ReactInputValidation.js
index 9d4c9d0..be501ee 100644
--- a/lib/ReactInputValidation.js
+++ b/lib/ReactInputValidation.js
@@ -16,8 +16,12 @@ function _inherits(subClass, superClass) { if (typeof superClass !== 'function'
 
 var _react = require('react');
 
+var PropTypes = require('prop-types');
+
 var _react2 = _interopRequireDefault(_react);
 
+_react2['default'].PropTypes = PropTypes;
+
 var _libValidationRules = require('./lib/validation-rules');
 
 var _libValidationRules2 = _interopRequireDefault(_libValidationRules);
@@ -223,4 +227,4 @@ ReactInputValidation.propTypes = {
   addonPos: _react2['default'].PropTypes.string, // position of addon, default is 'right'
   ref: _react2['default'].PropTypes.string // always use this for validating (must be unique)
 };
-module.exports = exports['default'];
\ No newline at end of file
+module.exports = exports['default'];
diff --git a/package.json b/package.json
index 70242bd..4019bc8 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
     "url": "https://github.com/ggayane/react-input-validation/issues"
   },
   "dependencies": {
-    "classnames": "^2.1.2"
+    "classnames": "^2.1.2",
+    "prop-types": "^15.6.0"
   },
   "devDependencies": {
     "babel-eslint": "^4.1.3",