diff --git a/README.md b/README.md
index 1bee69c..83d3d8e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # midi2cv
 Eurorack Compatible, Arduino-based midi to cv converter with mono mode, arpeggiator and sequencer
+
+# Licence
+
+CC BY 4.0