diff --git a/package.json b/package.json
index 8fa0cbd..6b2fd05 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
   },
   "homepage": "https://github.com/vsubbotskyy/React-dotdotdot#readme",
   "dependencies": {
-    "clamper": "1.0.2"
+    "clamper": "~1.0.2",
+    "prop-types": "~15.5.10"
   },
   "peerDependencies": {
     "react": "^0.14.3",
diff --git a/src/index.js b/src/index.js
index 5abe6d8..1291fba 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,7 +1,7 @@
 var React = require('react');
 var ReactDOM = require('react-dom');
 var clamp = require('clamper');
-var PropTypes = React.PropTypes;
+var PropTypes = require('prop-types');
 /**
  * multuline text-overflow: ellipsis
  */