diff --git a/composer.json b/composer.json
index 059a5f6..6f13e1b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,7 @@
 {
     "name": "beu/oauth2-trackmania",
     "description": "A TrackMania 2020 provider for league/oauth2-client",
+    "license": "GPL-3.0-or-later",
     "authors": [
         {
             "name": "Beu",