diff --git a/README.md b/README.md
index 95eaf5c..ec03ba6 100644
--- a/README.md
+++ b/README.md
@@ -97,5 +97,7 @@ rewrite_conf = {
 }
 ```
 
-- 暂无
+## License
+
+Everything is [GPL v3.0](https://www.gnu.org/licenses/gpl-3.0.html).