diff --git a/package.json b/package.json
index 61c3002..7a43252 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "Table"
  ],
  "engines": {
-  "node": ">=4.0.0"
+  "node": ">=6.0.0"
  },
  "jest": {
   "moduleFileExtensions": [