diff --git a/.babelrc b/.babelrc
index d55ba80..15d9ceb 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,6 +1,6 @@
 {
   "presets": [
-    "es2015",
+    "es2015-node5",
     "stage-0"
   ]
 }
diff --git a/package.json b/package.json
index 10b4926..1ebdd97 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "dependencies": {
     "babel-core": "^6.5.1",
     "babel-polyfill": "^6.5.0",
-    "babel-preset-es2015": "^6.5.0",
+    "babel-preset-es2015-node5": "^1.2.0",
     "babel-preset-stage-0": "^6.5.0",
     "bcrypt": "^0.8.5",
     "glob": "^7.0.0",