diff --git a/package.json b/package.json
index 259877b7a9..cae908fc1d 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "ast-types": "~0.6.1",
     "chokidar": "0.11.1",
     "commander": "2.5.0",
-    "core-js": "^0.2.2",
+    "core-js": "^0.3.2",
     "estraverse": "1.8.0",
     "esutils": "1.1.6",
     "fs-readdir-recursive": "0.1.0",