diff --git a/package.json b/package.json
index edbe960..3e44592 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
 	},
 	"homepage": "https://github.com/pa11y/dashboard",
 	"bugs": "https://github.com/pa11y/dashboard/issues",
+	"license": "GPL-3.0",
 
 	"engines": {
 		"node": ">=4"