diff --git a/addons/boot/fw_dynamic.bin b/addons/boot/fw_dynamic.bin
index 8ff848e..0763b9e 100755
Binary files a/addons/boot/fw_dynamic.bin and b/addons/boot/fw_dynamic.bin differ
diff --git a/addons/boot/light_aon_fpga.bin b/addons/boot/light_aon_fpga.bin
index a12d843..49bbe50 100755
Binary files a/addons/boot/light_aon_fpga.bin and b/addons/boot/light_aon_fpga.bin differ
diff --git a/addons/boot/light_c906_audio.bin b/addons/boot/light_c906_audio.bin
index f5af5df..f74f9da 100755
Binary files a/addons/boot/light_c906_audio.bin and b/addons/boot/light_c906_audio.bin differ
diff --git a/debian/changelog b/debian/changelog
index a532ed5..1625276 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+th1520-boot-firmware (2023.09.04+sdk1.2.1) unstable; urgency=medium
+
+  * Update sdk 1.2.1
+
+ -- Han Gao <gaohan@iscas.ac.cn>  Mon, 04 Sep 2023 21:42:14 +0800
+
 th1520-boot-firmware (2023.07.20) unstable; urgency=medium
 
   * add boot firmware binary files