diff --git a/package.json b/package.json
index 73601cc9..fdae7c86 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "4.0.1-SNAPSHOT",
   "description": "A dynamic, browser-based visualization library.",
   "homepage": "http://visjs.org/",
+  "license": ["Apache-2.0", "MIT"],
   "repository": {
     "type": "git",
     "url": "git://github.com/almende/vis.git"