Update package.json

Author: Kuldeep Saxena

package.json

@@ -44,10 +44,12 @@
     "eslint-plugin-react": "^7.5.1",
     "prettier": "^1.8.2",
     "prettier-eslint-cli": "^4.4.2",
-    "react": "^16.1.1"
+    "react": "^16.1.1",
+    "prop-types": "^15.6.0",
   },
   "peerDependencies": {
-    "react": "^15.0.0-0 || ^16.0.0-0"
+    "react": "^15.0.0-0 || ^16.0.0-0",
+    "prop-types": "^15.6.0",
   },
   "typings": "./index.d.ts",
   "homepage": "https://github.com/bietkul/react-reactive-form#readme"