diff --git a/package.json b/package.json
index 61f5536c..65d66a42 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "babel-core": "6.5.2",
+    "babel-core": "6.6.0",
     "babel-preset-es2015": "6.6.0",
     "babel-register": "6.5.2",
     "chai": "3.5.0",