diff --git a/package.json b/package.json
index 2989244ba..c30a2cc54 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "pcjs",
   "version": "1.18.4",
   "description": "Node-enabled version of PCjs",
+  "engine": "node ^0.12.7",
   "main": "server.js",
   "directories": {
     "doc": "docs",