diff --git a/package.json b/package.json
index 1966d20..373be66 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "license": "MIT",
   "devDependencies": {
     "babel-cli": "^6.11.4",
-    "babel-preset-es2015": "^6.9.0",
+    "babel-preset-es2015": "^6.14.0",
     "babel-preset-stage-0": "^6.5.0",
     "babel-register": "^6.11.6",
     "chai": "^3.5.0",