diff --git a/.jshintrc b/.jshintrc
index 51f8507..16a6594 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,30 +1,29 @@
 {
     "bitwise": true,
     "curly": true,
     "eqeqeq": true,
-    "esnext": true,
     "forin": true,
     "freeze": true,
     "latedef": "function",
     "noarg": true,
     "nonbsp": true,
     "nonew": true,
     "plusplus": true,
     "undef": true,
     "unused": true,
     "strict": true,
     "maxparams": 4,
     "maxdepth": 4,
     "maxstatements": 70,
     "maxlen": 140,
     "validthis": true,
     "varstmt": true,
-
+    "esversion": 8,
     "browser": true,
     "browserify": true,
     "devel": false,
     "jquery": false,
     "mocha": false,
     "node": true,
     "worker": false
 }