diff --git a/package.json b/package.json
index c985c9c1d1..1c5fc7bf1a 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "url": "https://develop.svn.wordpress.org/trunk"
   },
   "author": "The WordPress Contributors",
-  "license": "GPLv2 or later",
+  "license": "GPL-2.0+",
   "devDependencies": {
     "grunt": "~0.4.5",
     "grunt-autoprefixer": "~3.0.0",