diff --git a/package.json b/package.json
index 55e683c..5b73b4d 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "engine": {
     "node": ">=0.10.x"
   },
- "license": "(MIT OR GPL-2.0)",
+ "license": "(MIT OR GPL-2.0+)",
  "scripts": {
   "test": "grunt test --verbose"
   }