diff --git a/RKTRUST/PX5KERNEL4.4TRUST.ini b/RKTRUST/PX5KERNEL4.4TRUST.ini
index c9ccb70a..de9acf9b 100644
--- a/RKTRUST/PX5KERNEL4.4TRUST.ini
+++ b/RKTRUST/PX5KERNEL4.4TRUST.ini
@@ -7,7 +7,7 @@ PATH=tools/rk_tools/bin/rk33/rk3368_bl30_v2.14.bin
 ADDR=0x00080000
 [BL31_OPTION]
 SEC=1
-PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.bin
+PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.elf
 ADDR=0x00010000
 [BL32_OPTION]
 SEC=1
diff --git a/RKTRUST/RK3368BOXTRUST.ini b/RKTRUST/RK3368BOXTRUST.ini
index c9ccb70a..de9acf9b 100644
--- a/RKTRUST/RK3368BOXTRUST.ini
+++ b/RKTRUST/RK3368BOXTRUST.ini
@@ -7,7 +7,7 @@ PATH=tools/rk_tools/bin/rk33/rk3368_bl30_v2.14.bin
 ADDR=0x00080000
 [BL31_OPTION]
 SEC=1
-PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.bin
+PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.elf
 ADDR=0x00010000
 [BL32_OPTION]
 SEC=1
diff --git a/RKTRUST/RK3368HTRUST.ini b/RKTRUST/RK3368HTRUST.ini
index c9ccb70a..de9acf9b 100644
--- a/RKTRUST/RK3368HTRUST.ini
+++ b/RKTRUST/RK3368HTRUST.ini
@@ -7,7 +7,7 @@ PATH=tools/rk_tools/bin/rk33/rk3368_bl30_v2.14.bin
 ADDR=0x00080000
 [BL31_OPTION]
 SEC=1
-PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.bin
+PATH=tools/rk_tools/bin/rk33/rk3368h_bl31_v2.20.elf
 ADDR=0x00010000
 [BL32_OPTION]
 SEC=1
diff --git a/bin/rk33/rk3368h_bl31_v2.20.bin b/bin/rk33/rk3368h_bl31_v2.20.elf
similarity index 100%
rename from bin/rk33/rk3368h_bl31_v2.20.bin
rename to bin/rk33/rk3368h_bl31_v2.20.elf