diff --git a/package.json b/package.json
index 2aa863f..1735886 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "babel-cli": "~6.9.0",
     "babel-eslint": "~6.0.4",
     "babel-plugin-add-module-exports": "~0.2.1",
-    "babel-preset-es2015": "~6.9.0",
+    "babel-preset-es2015": "~6.18.0",
     "babel-register": "~6.9.0",
     "chai": "~3.5.0",
     "coveralls": "~2.11.9",