diff --git a/package.json b/package.json
index 547e722..1535d24 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "babel-cli": "^6.7.7",
-    "babel-core": "^6.7.7",
+    "babel-core": "^6.9.0",
     "babel-preset-es2015": "^6.6.0",
     "chai": "^3.5.0",
     "coveralls": "^2.11.9",