diff --git a/RKTRUST/RK3528TRUST.ini b/RKTRUST/RK3528TRUST.ini
index 7623f2aa..cc916686 100644
--- a/RKTRUST/RK3528TRUST.ini
+++ b/RKTRUST/RK3528TRUST.ini
@@ -5,7 +5,7 @@ MINOR=0
 SEC=0
 [BL31_OPTION]
 SEC=1
-PATH=bin/rk35/rk3528_bl31_v1.11.elf
+PATH=bin/rk35/rk3528_bl31_v1.12.elf
 ADDR=0x00040000
 [BL32_OPTION]
 SEC=1
diff --git a/bin/rk35/rk3528_bl31_v1.11.elf b/bin/rk35/rk3528_bl31_v1.12.elf
similarity index 91%
rename from bin/rk35/rk3528_bl31_v1.11.elf
rename to bin/rk35/rk3528_bl31_v1.12.elf
index 3c8a1d1d..531b229b 100644
Binary files a/bin/rk35/rk3528_bl31_v1.11.elf and b/bin/rk35/rk3528_bl31_v1.12.elf differ
diff --git a/doc/release/RK3528_CN.md b/doc/release/RK3528_CN.md
index bfeb4a85..0b95c867 100644
--- a/doc/release/RK3528_CN.md
+++ b/doc/release/RK3528_CN.md
@@ -1,5 +1,17 @@
 # RK3528 Release Note
 
+## rk3528_bl31_v1.12.elf
+
+| 时间       | 文件                  | 编译 commit | 重要程度 |
+| ---------- | :-------------------- | ----------- | -------- |
+| 2022-03-16 | rk3528_bl31_v1.12.elf | 70c5c8d9c   | 重要     |
+
+### New
+
+1. 提升trng的性能。
+
+------
+
 ## rk3528_ddr_1056MHz_{2L_PCB_}v1.04.bin
 
 | 时间       | 文件                                  | 编译 commit | 重要程度 |
diff --git a/doc/release/RK3528_EN.md b/doc/release/RK3528_EN.md
index fd013ce1..87b17caf 100644
--- a/doc/release/RK3528_EN.md
+++ b/doc/release/RK3528_EN.md
@@ -1,5 +1,17 @@
 # RK3528 Release Note
 
+## rk3528_bl31_v1.12.elf
+
+| Date       | File                  | Build commit | Severity  |
+| ---------- | :-------------------- | ------------ | --------- |
+| 2022-03-16 | rk3528_bl31_v1.12.elf | 70c5c8d9c    | important |
+
+### New
+
+1. Improve trng performance.
+
+------
+
 ## rk3528_ddr_1056MHz_{2L_PCB_}v1.04.bin
 
 | Date       | File                                  | Build commit | Severity  |