diff --git a/WHENCE b/WHENCE
index 7aab5d9..2060881 100644
--- a/WHENCE
+++ b/WHENCE
@@ -3413,13 +3413,13 @@ Version: BT_JeffersonPeak_A0_B0_REL0201
 File: intel/ibt-17-1.ddc
 Version: BT_JeffersonPeak_A0_B0_REL0201
 File: intel/ibt-18-16-1.sfi
-Version: BT_ThunderPeak_B0_B0_REL6412
+Version: BT_ThunderPeak_B0_B0_REL8356
 File: intel/ibt-18-16-1.ddc
-Version: BT_ThunderPeak_B0_B0_REL6412
+Version: BT_ThunderPeak_B0_B0_REL8356
 File: intel/ibt-18-2.sfi
-Version: BT_ThunderPeak_B0_B0_REL6412
+Version: BT_ThunderPeak_B0_B0_REL8356
 File: intel/ibt-18-2.ddc
-Version: BT_ThunderPeak_B0_B0_REL6412
+Version: BT_ThunderPeak_B0_B0_REL8356
 File: intel/ibt-18-0-1.sfi
 Version: BT_ThunderPeak_A0_B0_REL0201
 File: intel/ibt-18-0-1.ddc
diff --git a/intel/ibt-18-16-1.sfi b/intel/ibt-18-16-1.sfi
index fed35ef..9ab0f67 100644
Binary files a/intel/ibt-18-16-1.sfi and b/intel/ibt-18-16-1.sfi differ
diff --git a/intel/ibt-18-2.sfi b/intel/ibt-18-2.sfi
index fed35ef..9ab0f67 100644
Binary files a/intel/ibt-18-2.sfi and b/intel/ibt-18-2.sfi differ