diff --git a/WHENCE b/WHENCE
index b6199d6e..5f1d28cd 100644
--- a/WHENCE
+++ b/WHENCE
@@ -3792,6 +3792,8 @@ File: rtl_bt/rtl8723d_fw.bin
 File: rtl_bt/rtl8723d_config.bin
 File: rtl_bt/rtl8821c_fw.bin
 File: rtl_bt/rtl8821c_config.bin
+File: rtl_bt/rtl8821cs_fw.bin
+File: rtl_bt/rtl8821cs_config.bin
 File: rtl_bt/rtl8822cu_fw.bin
 File: rtl_bt/rtl8822cu_config.bin
 File: rtl_bt/rtl8822cs_fw.bin
diff --git a/rtl_bt/rtl8821cs_config.bin b/rtl_bt/rtl8821cs_config.bin
new file mode 100644
index 00000000..99475ee3
Binary files /dev/null and b/rtl_bt/rtl8821cs_config.bin differ
diff --git a/rtl_bt/rtl8821cs_fw.bin b/rtl_bt/rtl8821cs_fw.bin
new file mode 100644
index 00000000..657c5c03
Binary files /dev/null and b/rtl_bt/rtl8821cs_fw.bin differ