diff --git a/README.md b/README.md
index 3803da1..ca775a7 100644
--- a/README.md
+++ b/README.md
@@ -214,7 +214,7 @@ Error:
 
 ## License
 
-[MIT](https://github.com/genkiroid/cert/blob/master/LICENSE)
+[MIT](https://github.com/genkiroid/cert/blob/main/LICENSE)
 
 ## Author