diff --git a/README.md b/README.md
index 171746f95..daefeb1b6 100755
--- a/README.md
+++ b/README.md
@@ -131,6 +131,7 @@ A big THANK YOU goes to:
 
 ## Releases
 
+* 2022-02-15, Release [v4.0-b9](https://github.com/ossrs/srs/releases/tag/v4.0-b9), v4.0-b9, 4.0 beta9, v4.0.245, 144474 lines.
 * 2022-02-11, Release [v4.0-b8](https://github.com/ossrs/srs/releases/tag/v4.0-b8), v4.0-b8, 4.0 beta8, v4.0.241, 144445 lines.
 * 2022-02-09, Release [v4.0-b7](https://github.com/ossrs/srs/releases/tag/v4.0-b7), v4.0-b7, 4.0 beta7, v4.0.240, 144437 lines.
 * 2022-02-04, Release [v4.0-b6](https://github.com/ossrs/srs/releases/tag/v4.0-b6), v4.0-b6, 4.0 beta6, v4.0.238, 144437 lines.