diff --git a/package.json b/package.json
index 2f60879..556aa7e 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "babel-core": "^6.8.0",
-    "babel-preset-es2015": "^6.6.0",
+    "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-2": "^6.5.0",
     "chai": "^3.0.0",
     "coveralls": "^2.11.2",