diff --git a/pc-bios/README b/pc-bios/README
index c51ae58824..ba6c15e769 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -14,7 +14,7 @@
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
   https://github.com/aik/SLOF, and the image currently in qemu is
-  built from git tag qemu-slof-20211112.
+  built from git tag qemu-slof-20220110.
 
 - VOF (Virtual Open Firmware) is a minimalistic firmware to work with
   -machine pseries,x-vof=on. When enabled, the firmware acts as a slim shim and
diff --git a/pc-bios/slof.bin b/pc-bios/slof.bin
index 046ca63709..cbbe23e910 100644
Binary files a/pc-bios/slof.bin and b/pc-bios/slof.bin differ
diff --git a/roms/SLOF b/roms/SLOF
index a6906b024c..5b4c5acdcd 160000
--- a/roms/SLOF
+++ b/roms/SLOF
@@ -1 +1 @@
-Subproject commit a6906b024c6cca5a86496f51eb4bfee3a0c36148
+Subproject commit 5b4c5acdcd552a4e1796aeca6bb700f6cbb0282d