diff --git a/pc-bios/bios-256k.bin b/pc-bios/bios-256k.bin
index f86adff128..1c5090427d 100644
Binary files a/pc-bios/bios-256k.bin and b/pc-bios/bios-256k.bin differ
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index db835fb5f2..742a773632 100644
Binary files a/pc-bios/bios.bin and b/pc-bios/bios.bin differ
diff --git a/pc-bios/vgabios-cirrus.bin b/pc-bios/vgabios-cirrus.bin
index dde8502909..4d35b2e657 100644
Binary files a/pc-bios/vgabios-cirrus.bin and b/pc-bios/vgabios-cirrus.bin differ
diff --git a/pc-bios/vgabios-qxl.bin b/pc-bios/vgabios-qxl.bin
index 5c43bd222e..aa1c7250d3 100644
Binary files a/pc-bios/vgabios-qxl.bin and b/pc-bios/vgabios-qxl.bin differ
diff --git a/pc-bios/vgabios-stdvga.bin b/pc-bios/vgabios-stdvga.bin
index b2dd8f91ef..d6eeab1861 100644
Binary files a/pc-bios/vgabios-stdvga.bin and b/pc-bios/vgabios-stdvga.bin differ
diff --git a/pc-bios/vgabios-virtio.bin b/pc-bios/vgabios-virtio.bin
index 03ac8a7d4a..f9db6a6e95 100644
Binary files a/pc-bios/vgabios-virtio.bin and b/pc-bios/vgabios-virtio.bin differ
diff --git a/pc-bios/vgabios-vmware.bin b/pc-bios/vgabios-vmware.bin
index 15e21c2a28..33e0377912 100644
Binary files a/pc-bios/vgabios-vmware.bin and b/pc-bios/vgabios-vmware.bin differ
diff --git a/pc-bios/vgabios.bin b/pc-bios/vgabios.bin
index 84f1561d92..db0c5eb077 100644
Binary files a/pc-bios/vgabios.bin and b/pc-bios/vgabios.bin differ
diff --git a/roms/Makefile b/roms/Makefile
index 09e33b59e5..7bd1252737 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -35,7 +35,7 @@ powerpc_cross_prefix := $(call find-cross-prefix,powerpc)
 x86_64_cross_prefix := $(call find-cross-prefix,x86_64)
 
 # tag our seabios builds
-SEABIOS_VERSION="$(shell cd seabios; git describe --tags --long) by qemu-project.org"
+SEABIOS_EXTRAVERSION="-prebuilt.qemu-project.org"
 
 #
 # EfiRom utility is shipped with edk2 / tianocore, in BaseTools/
@@ -64,7 +64,6 @@ default:
 bios: build-seabios-config-seabios-128k build-seabios-config-seabios-256k
 	cp seabios/builds/seabios-128k/bios.bin ../pc-bios/bios.bin
 	cp seabios/builds/seabios-256k/bios.bin ../pc-bios/bios-256k.bin
-	cp seabios/builds/seabios-256k/src/fw/*dsdt.aml ../pc-bios/
 
 seavgabios: $(patsubst %,seavgabios-%,$(vgabios_variants))
 
@@ -78,12 +77,12 @@ build-seabios-config-%: config.%
 	mkdir -p seabios/builds/$*
 	cp $< seabios/builds/$*/.config
 	$(MAKE) -C seabios \
-		VERSION=$(SEABIOS_VERSION) \
+		EXTRAVERSION=$(SEABIOS_EXTRAVERSION) \
 		CROSS_COMPILE=$(x86_64_cross_prefix) \
 		KCONFIG_CONFIG=$(CURDIR)/seabios/builds/$*/.config \
 		OUT=$(CURDIR)/seabios/builds/$*/ oldnoconfig
 	$(MAKE) -C seabios \
-		VERSION=$(SEABIOS_VERSION) \
+		EXTRAVERSION=$(SEABIOS_EXTRAVERSION) \
 		CROSS_COMPILE=$(x86_64_cross_prefix) \
 		KCONFIG_CONFIG=$(CURDIR)/seabios/builds/$*/.config \
 		OUT=$(CURDIR)/seabios/builds/$*/ all
diff --git a/roms/config.seabios-128k b/roms/config.seabios-128k
index c719ba6892..0a9da77a5e 100644
--- a/roms/config.seabios-128k
+++ b/roms/config.seabios-128k
@@ -3,6 +3,8 @@
 CONFIG_QEMU=y
 CONFIG_ROM_SIZE=128
 CONFIG_XEN=n
+CONFIG_USB_OHCI=n
 CONFIG_USB_XHCI=n
 CONFIG_USB_UAS=n
 CONFIG_SDCARD=n
+CONFIG_TCGBIOS=n
diff --git a/roms/seabios b/roms/seabios
index 33fbe13a3e..01a84bea2d 160000
--- a/roms/seabios
+++ b/roms/seabios
@@ -1 +1 @@
-Subproject commit 33fbe13a3e2a01e0ba1087a8feed801a0451db21
+Subproject commit 01a84bea2d28a19d2405c1ecac4bdef17683cc0c