Update dev dependencies

Author: sergiodxa

package.json

@@ -23,15 +23,15 @@
   },
   "homepage": "https://github.com/PlatziDev/socket.io-react#readme",
   "devDependencies": {
-    "babel": "6.5.2",
+    "babel": "6.23.0",
     "babel-cli": "6.6.5",
-    "babel-plugin-transform-class-properties": "6.6.0",
-    "babel-plugin-transform-es2015-block-scoping": "6.20.0",
-    "babel-plugin-transform-es2015-classes": "6.6.5",
-    "babel-plugin-transform-es2015-modules-commonjs": "6.7.0",
-    "babel-plugin-transform-es2015-spread": "6.6.5",
-    "babel-plugin-transform-react-constant-elements": "6.5.0",
-    "babel-plugin-transform-react-inline-elements": "6.6.5"
+    "babel-plugin-transform-class-properties": "6.24.1",
+    "babel-plugin-transform-es2015-block-scoping": "6.24.1",
+    "babel-plugin-transform-es2015-classes": "6.24.1",
+    "babel-plugin-transform-es2015-modules-commonjs": "6.24.1",
+    "babel-plugin-transform-es2015-spread": "6.22.0",
+    "babel-plugin-transform-react-constant-elements": "6.23.0",
+    "babel-plugin-transform-react-inline-elements": "6.22.0"
   },
   "peerDependencies": {
     "socket.io-client": "^1.4.5",