added engines field

diff --git a/package.json b/package.json
index 9c2c4e36edb913357d838c3e1879cc8ba58eaec5..e49bac49809b0dd58604d5012c2523df1b0fe929 100644 (file)
--- a/package.json
+++ b/package.json
@@ -12,6 +12,9 @@
     "import-data": "node util/load_sample_tracks.js",
     "start": "node app.js"
   },
+  "engines": {
+    "node": ">=6.0.0"
+  },
   "dependencies": {
     "async": "2.1.x",
     "body-parser": "1.17.x",