diff --git a/rock5b-rk3588.spec b/rock5b-rk3588.spec
index 3f59ed0..c26ecc3 100644
--- a/rock5b-rk3588.spec
+++ b/rock5b-rk3588.spec
@@ -4,7 +4,7 @@
 %global extern_rkbin true
 %global rkbin_git_commit b4558da0860ca48bf1a571dd33ccba580b9abe23
 
-%global non_standard_release master
+%global non_standard_release rc
 
 Source1: package.inc
 Source3: https://github.com/rockchip-linux/rkbin/archive/%{rkbin_git_commit}.tar.gz