diff --git a/package.json b/package.json
index 16cc200..a8a8256 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "babel-cli": "^6.5.1",
     "babel-plugin-transform-runtime": "^6.5.2",
     "babel-polyfill": "^6.5.0",
-    "babel-preset-es2015": "^6.5.0",
+    "babel-preset-es2015": "^6.13.0",
     "babel-preset-es2016": "^6.11.3",
     "codeclimate-test-reporter": "^0.3.1",
     "coveralls": "^2.11.6",