diff --git a/package.json b/package.json
index bfea806..2848040 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "babel-core": "^6.7.6",
     "babel-plugin-add-module-exports": "^0.2.0",
     "babel-plugin-transform-object-assign": "^6.1.18",
-    "babel-preset-es2015": "^6.9.0",
+    "babel-preset-es2015": "^6.18.0",
     "body-parser": "^1.14.1",
     "chai": "^3.4.1",
     "eslint-if-supported": "^1.0.1",