diff --git a/README.md b/README.md
index 28161ae..53598f0 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 Steven Moran <bambooforest@gmail.com> & Michael Cysouw <cysouw@mac.com>
 
+[![License: CC BY 4.0](https://licensebuttons.net/l/by/4.0/80x15.png)](http://creativecommons.org/licenses/by/4.0/)
 
 ## About the cookbook