Update deps

package.json

@@ -1,7 +1,7 @@
 {
   "name": "react-material-ui-form-validator",
   "version": "2.0.9",
-  "description": "Simple validator for forms designed with material-ui v1/v3 components.",
+  "description": "Simple validator for forms designed with material-ui v1/v3/v4 components.",
   "main": "./lib/index.js",
   "scripts": {
     "build": "babel ./src -d ./lib --presets=es2015,react,stage-2",
@@ -24,13 +24,13 @@
   },
   "homepage": "https://github.com/NewOldMax/react-material-ui-form-validator#readme",
   "dependencies": {
-    "react-form-validator-core": "0.6.4"
+    "react-form-validator-core": "0.6.4",
+    "prop-types": "^15.0.0"
   },
   "peerDependencies": {
     "@material-ui/core": "^1.0.0 || ^3.0.0 || ^4.0.0",
     "react": "^15.0.0 || ^16.0.0",
-    "react-dom": "^15.0.0 || ^16.0.0",
-    "prop-types": "^15.0.0"
+    "react-dom": "^15.0.0 || ^16.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.3.17",
@@ -43,7 +43,6 @@
     "babel-preset-stage-2": "6.16.0",
     "babelify": "7.3.0",
     "browserify": "13.1.0",
-    "bufferutil": "1.2.1",
     "envify": "3.4.1",
     "eslint": "^4.18.2",
     "eslint-config-airbnb": "^13.0.0",
@@ -52,7 +51,6 @@
     "eslint-plugin-react": "^6.8.0",
     "nodemon": "^1.18.10",
     "uglify-js": "2.7.3",
-    "utf-8-validate": "1.2.1",
     "watchify": "^3.11.1"
   }
 }