diff --git a/components/bt/controller/esp32c6/bt.c b/components/bt/controller/esp32c6/bt.c
index d286b325c5..60e137b3f2 100644
--- a/components/bt/controller/esp32c6/bt.c
+++ b/components/bt/controller/esp32c6/bt.c
@@ -78,7 +78,7 @@
 #define OSI_COEX_VERSION              0x00010006
 #define OSI_COEX_MAGIC_VALUE          0xFADEBEAD
 
-#define EXT_FUNC_VERSION             0x20250415
+#define EXT_FUNC_VERSION             0x20250825
 #define EXT_FUNC_MAGIC_VALUE         0xA5A5A5A5
 
 #define BT_ASSERT_PRINT              ets_printf