diff --git a/README.md b/README.md
index ecad4d2..fa16526 100644
--- a/README.md
+++ b/README.md
@@ -126,6 +126,13 @@ sudo xrock maskrom rk3308_ddr_589MHz_uart2_m1_v1.31.bin rk3308_usbplug_v1.27.bin
 sudo xrock version
 ```
 
+### RK3566
+
+```shell
+sudo xrock maskrom rk3566_ddr_1056MHz_v1.11.bin rk356x_usbplug_v1.13.bin --rc4-off
+sudo xrock version
+```
+
 ### RK3568
 
 ```shell