diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index 41e2b38ea2..e1f3923681 100644
Binary files a/pc-bios/bios.bin and b/pc-bios/bios.bin differ
diff --git a/roms/Makefile b/roms/Makefile
new file mode 100644
index 0000000000..0114e6f33f
--- /dev/null
+++ b/roms/Makefile
@@ -0,0 +1,10 @@
+
+default:
+	@echo "nothing is build by default"
+	@echo "available build targets:"
+	@echo "  bios           -- update bios.bin (seabios)"
+
+bios: config.seabios
+	sh configure-seabios.sh $<
+	make -C seabios out/bios.bin
+	cp seabios/out/bios.bin ../pc-bios/bios.bin
diff --git a/roms/config.seabios b/roms/config.seabios
new file mode 100644
index 0000000000..c373b87a98
--- /dev/null
+++ b/roms/config.seabios
@@ -0,0 +1 @@
+# empty, default config works for us
diff --git a/roms/configure-seabios.sh b/roms/configure-seabios.sh
new file mode 100755
index 0000000000..98f59a24ba
--- /dev/null
+++ b/roms/configure-seabios.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+config="$1"
+make -C seabios clean distclean
+cp "$config" seabios/.config
+make -C seabios oldnoconfig
diff --git a/roms/seabios b/roms/seabios
index 80d11e8577..2e8bd611ce 160000
--- a/roms/seabios
+++ b/roms/seabios
@@ -1 +1 @@
-Subproject commit 80d11e8577bf03e98f2eb1b0cb3a281ab2879c9e
+Subproject commit 2e8bd611ce4e1e36b5a80c9ca6e256e23802f095