diff --git a/package.json b/package.json
index 8a0f891f..0724f870 100644
--- a/package.json
+++ b/package.json
@@ -69,6 +69,6 @@
     "level"
   ],
   "engines": {
-    "node": ">=6"
+    "node": ">=8.6.0"
   }
 }