diff --git a/README.md b/README.md
index bc99f4c..9350b29 100644
--- a/README.md
+++ b/README.md
@@ -241,7 +241,7 @@ This project exists thanks to all the people who contribute.
 
 ## Star History
 
-[![Star History Chart](https://api.star-history.com/svg?repos=apache/casbin-Casbin.NET&type=Date)](https://star-history.com/#apache/casbin-Casbin.NET&Date)
+[![Star History Chart](https://star-history.dera.page/svg?repos=apache/casbin-Casbin.NET&type=Date)](https://star-history.dera.page/#apache/casbin-Casbin.NET&date)
 
 ## License