diff --git a/package.json b/package.json
index 9e61837..dc22908 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
   },
   "devDependencies": {
     "a": "^1.0.1",
-    "babel-core": "^6.1.19",
+    "babel-core": "^6.3.26",
     "babel-eslint": "^4.1.3",
     "babel-plugin-syntax-async-functions": "^6.1.18",
     "babel-plugin-transform-regenerator": "^6.1.18",