diff --git a/bootfiles/extlinux.x64 b/bootfiles/extlinux.x64
index dc07867..2be05c9 100755
Binary files a/bootfiles/extlinux.x64 and b/bootfiles/extlinux.x64 differ
diff --git a/bootfiles/isolinux.bin b/bootfiles/isolinux.bin
index e98dda1..46a5048 100644
Binary files a/bootfiles/isolinux.bin and b/bootfiles/isolinux.bin differ
diff --git a/bootfiles/ldlinux.c32 b/bootfiles/ldlinux.c32
index 6186b22..ebfe6e8 100644
Binary files a/bootfiles/ldlinux.c32 and b/bootfiles/ldlinux.c32 differ
diff --git a/bootfiles/libcom32.c32 b/bootfiles/libcom32.c32
index f9a7e43..70a9a4f 100644
Binary files a/bootfiles/libcom32.c32 and b/bootfiles/libcom32.c32 differ
diff --git a/bootfiles/libutil.c32 b/bootfiles/libutil.c32
index e5105f6..b51c391 100644
Binary files a/bootfiles/libutil.c32 and b/bootfiles/libutil.c32 differ
diff --git a/bootfiles/vesamenu.c32 b/bootfiles/vesamenu.c32
index c423245..78f23ee 100644
Binary files a/bootfiles/vesamenu.c32 and b/bootfiles/vesamenu.c32 differ
diff --git a/tools/isolinux.bin.update b/tools/isolinux.bin.update
index b2411d5..a43ba82 100755
--- a/tools/isolinux.bin.update
+++ b/tools/isolinux.bin.update
@@ -23,6 +23,7 @@ apt-get --yes build-dep syslinux
 mkdir -m 0777 /tmp/syslinux
 cd /tmp/syslinux
 apt-get source syslinux
+apt-get install upx
 cd syslinux*/core
 
 for file in fs/iso9660/iso9660.c fs/lib/loadconfig.c elflink/load_env32.c; do
@@ -31,7 +32,13 @@ done
 
 cd ../
 
-make -j 8
+rm -f bios/core/isolinux.bin
+rm -f bios/com32/elflink/ldlinux/ldlinux.c32
+rm -f bios/com32/lib/libcom32.c32
+rm -f bios/com32/libutil/libutil.c32
+rm -f bios/com32/menu/vesamenu.c32
+
+make -j 8 -i
 
 echo
 echo "Copying files to $CWD ..."