diff --git a/package.json b/package.json
index 9292294..9e254ed 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   ],
   "dependencies": {},
   "devDependencies": {
-    "babel-core": "^6.0.12",
+    "babel-core": "^6.6.0",
     "babel-preset-es2015": "^6.0.12",
     "coveralls": "^2.11.1",
     "del": "^2.0.2",