diff --git a/pc-bios/README b/pc-bios/README
index c555dd324e..4189bb28cc 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-20220719.
+  built from git tag qemu-slof-20230918.
 
 - 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 ef9b81d628..27fed09f49 100644
Binary files a/pc-bios/slof.bin and b/pc-bios/slof.bin differ
diff --git a/roms/SLOF b/roms/SLOF
index 6b6c16b4b4..3a259df244 160000
--- a/roms/SLOF
+++ b/roms/SLOF
@@ -1 +1 @@
-Subproject commit 6b6c16b4b40763507cf1f518096f3c3883c5cf2d
+Subproject commit 3a259df2449fc4a4e43ab5f33f0b2c66484b4bc3