diff --git a/package.json b/package.json
index bebb8c5..555e083 100644
--- a/package.json
+++ b/package.json
@@ -79,5 +79,8 @@
 			"appveyor.yml",
 			"test/resolver/malformed_package_json"
 		]
+	},
+	"engines": {
+		"node": ">= 0.4"
 	}
 }