diff --git a/package.json b/package.json
index 1e859a06..1d375a14 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,9 @@
 		"grunt-contrib-jshint"   : "0.10.0",
 		"grunt-contrib-uglify"   : "0.4.0"
 	},
+	"jspm" : {
+		"main": "builds/moment-timezone-with-data"
+	},
 	"scripts": {
 		"test": "grunt"
 	}