diff --git a/package.json b/package.json
index 8a7758a..6da7c3b 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "yellowlabtools",
   "version": "1.7.3",
   "description": "Online tool to audit a webpage for performance and front-end quality issues",
+  "license" : "GPL-2.0",
   "repository": {
     "type": "git",
     "url": "git://github.com/gmetais/YellowLabTools.git"