diff --git a/.jshintrc b/.jshintrc
index 134466ea..159fb604 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -2,6 +2,7 @@
   "node": true,
   "curly": true,
   "eqeqeq": true,
+  "esversion": 6,
   "freeze": true,
   "immed": true,
   "indent": 2,