diff --git a/WHENCE b/WHENCE
index a869ec23..5baf884e 100644
--- a/WHENCE
+++ b/WHENCE
@@ -3241,7 +3241,7 @@ Version: 2018-05-24
 File: amd-ucode/microcode_amd_fam16h.bin
 Version: 2014-10-28
 File: amd-ucode/microcode_amd_fam17h.bin
-Version: 2018-05-15
+Version: 2018-11-28
 
 License: Redistributable. See LICENSE.amd-ucode for details
 
diff --git a/amd-ucode/microcode_amd_fam17h.bin b/amd-ucode/microcode_amd_fam17h.bin
index 8e6f4c18..8ba3c612 100644
Binary files a/amd-ucode/microcode_amd_fam17h.bin and b/amd-ucode/microcode_amd_fam17h.bin differ
diff --git a/amd-ucode/microcode_amd_fam17h.bin.asc b/amd-ucode/microcode_amd_fam17h.bin.asc
index 4d513eb0..98229441 100644
--- a/amd-ucode/microcode_amd_fam17h.bin.asc
+++ b/amd-ucode/microcode_amd_fam17h.bin.asc
@@ -1,11 +1,16 @@
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