diff --git a/pc-bios/README b/pc-bios/README
index 437ef1c268..fc940a7c9d 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -14,9 +14,8 @@
 - OpenBIOS (http://www.openbios.org/) is a free (GPL v2) portable
   firmware implementation. The goal is to implement a 100% IEEE
   1275-1994 (referred to as Open Firmware) compliant firmware.
-  The included image for PowerPC (for 32 and 64 bit PPC CPUs) is
-  built from OpenBIOS SVN revision 721, the Sparc32 and Sparc64 ones
-  are built from OpenBIOS SVN revision 683.
+  The included image for PowerPC (for 32 and 64 bit PPC CPUs), Sparc32
+  and Sparc64 are built from OpenBIOS SVN revision 771.
 
 - The PXE roms come from Rom-o-Matic gPXE 0.9.9 with BANNER_TIMEOUT=0
 
diff --git a/pc-bios/openbios-ppc b/pc-bios/openbios-ppc
index 340fc69b78..34e188e578 100644
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diff --git a/pc-bios/openbios-sparc32 b/pc-bios/openbios-sparc32
index 4f2f45f2c4..4c2a9f7210 100644
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diff --git a/pc-bios/openbios-sparc64 b/pc-bios/openbios-sparc64
index 632f9380da..fdb739baa2 100644
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