diff --git a/package.json b/package.json
index 84fcc9e..8baf79f 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
     "bindings": "*"
   },
   "engines": {
-    "node": "*"
+    "node": ">= 0.6.0"
   }
 }