diff --git a/RKTRUST/RK3588TRUST.ini b/RKTRUST/RK3588TRUST.ini
index 9b52722b..c0338bed 100644
--- a/RKTRUST/RK3588TRUST.ini
+++ b/RKTRUST/RK3588TRUST.ini
@@ -5,7 +5,7 @@ MINOR=0
 SEC=0
 [BL31_OPTION]
 SEC=1
-PATH=bin/rk35/rk3588_bl31_v1.20.elf
+PATH=bin/rk35/rk3588_bl31_v1.21.elf
 ADDR=0x00040000
 [BL32_OPTION]
 SEC=1
diff --git a/bin/rk35/rk3588_bl31_v1.20.elf b/bin/rk35/rk3588_bl31_v1.21.elf
similarity index 69%
rename from bin/rk35/rk3588_bl31_v1.20.elf
rename to bin/rk35/rk3588_bl31_v1.21.elf
index 544ec496..c9f984aa 100755
Binary files a/bin/rk35/rk3588_bl31_v1.20.elf and b/bin/rk35/rk3588_bl31_v1.21.elf differ