diff --git a/RKTRUST/RK1808TRUST.ini b/RKTRUST/RK1808TRUST.ini
index 91b6ce60..85660c21 100644
--- a/RKTRUST/RK1808TRUST.ini
+++ b/RKTRUST/RK1808TRUST.ini
@@ -5,7 +5,7 @@ MINOR=0
 SEC=0
 [BL31_OPTION]
 SEC=1
-PATH=bin/rk1x/rk1808_bl31_v1.03.elf
+PATH=bin/rk1x/rk1808_bl31_v1.04.elf
 ADDR=0x00010000
 [BL32_OPTION]
 SEC=0
diff --git a/bin/rk1x/rk1808_bl31_v1.03.elf b/bin/rk1x/rk1808_bl31_v1.04.elf
similarity index 85%
rename from bin/rk1x/rk1808_bl31_v1.03.elf
rename to bin/rk1x/rk1808_bl31_v1.04.elf
index 8fbe1f2f..f542f2a5 100755
Binary files a/bin/rk1x/rk1808_bl31_v1.03.elf and b/bin/rk1x/rk1808_bl31_v1.04.elf differ