diff --git a/package.json b/package.json
index 979475b5b..5be396a32 100644
--- a/package.json
+++ b/package.json
@@ -56,8 +56,10 @@
     "babel-core": "^6.18.2",
     "babel-loader": "^6.2.7",
     "babel-plugin-transform-async-to-generator": "^6.16.0",
+    "babel-plugin-transform-class-properties": "^6.18.0",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-plugin-transform-object-assign": "^6.8.0",
+    "babel-plugin-transform-object-rest-spread": "^6.16.0",
     "babel-plugin-transform-react-jsx": "^6.8.0",
     "babel-polyfill": "^6.16.0",
     "babel-preset-es2015": "^6.18.0",