diff --git a/README.md b/README.md
index aa42bca..8793831 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,6 @@ git clone https://github.com/hnschat/web.git hnschat
 cd hnschat
 cp config.sample.json config.json
 ```
+
+## License
+[![CC BY-NC-SA](https://i.creativecommons.org/l/by-nc-nd/3.0/88x31.png)](https://creativecommons.org/licenses/by-nc-sa/4.0/)