diff --git a/bin/rk33/rk3308_bl31_cpu3_v1.00.elf b/bin/rk33/rk3308_bl31_cpu3_v1.00.elf
new file mode 100644
index 00000000..78c9a2a9
Binary files /dev/null and b/bin/rk33/rk3308_bl31_cpu3_v1.00.elf differ
diff --git a/doc/release/RK3308_CN.md b/doc/release/RK3308_CN.md
index ee86635a..7234bf25 100644
--- a/doc/release/RK3308_CN.md
+++ b/doc/release/RK3308_CN.md
@@ -1,5 +1,17 @@
 # RK3308 Release Note
 
+## rk3308_bl31_cpu3_v1.00.elf
+
+| 时间       | 文件                       | 编译 commit | 重要程度 |
+| ---------- | :------------------------- | ----------- | -------- |
+| 2023-03-16 | rk3308_bl31_cpu3_v1.00.elf | 5fb7b7229   | 普通     |
+
+### New
+
+1. 支持从CPU3启动。
+
+------
+
 ## rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin
 
 | 时间       | 文件                                                       | 编译 commit | 重要程度 |
diff --git a/doc/release/RK3308_EN.md b/doc/release/RK3308_EN.md
index 7173604c..3df7a9cd 100644
--- a/doc/release/RK3308_EN.md
+++ b/doc/release/RK3308_EN.md
@@ -1,5 +1,17 @@
 # RK3308 Release Note
 
+## rk3308_bl31_cpu3_v1.00.elf
+
+| Date       | File                       | Build commit | Severity |
+| ---------- | :------------------------- | ------------ | -------- |
+| 2023-03-16 | rk3308_bl31_cpu3_v1.00.elf | 5fb7b7229    | moderate |
+
+### New
+
+1. Support boot from CPU3.
+
+------
+
 ## rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin
 
 | Date       | File                                                       | Build commit | Severity |