diff --git a/readme.md b/readme.md
index 000ded3..de5672a 100644
--- a/readme.md
+++ b/readme.md
@@ -28,3 +28,8 @@ Even the onboard RP2040-Zero LED is controllable by QMK...
 I added [a few tips and tricks here](doc/tips.md).
 
 [Loads of beautiful build pictures here.](doc/gallery.md)
+
+# License
+
+This work is licensed under a Creative Commons Attribution license:
+https://creativecommons.org/licenses/by/4.0/