diff -Nru live-build-3.0~a57/debian/changelog live-build-3.0~a57/debian/changelog
--- live-build-3.0~a57/debian/changelog	2013-04-23 19:46:25.000000000 +0900
+++ live-build-3.0~a57/debian/changelog	2013-05-01 01:07:38.000000000 +0900
@@ -1,3 +1,10 @@
+live-build (3.0~a57-1ubuntu7) saucy; urgency=low
+
+  * add release version for ubuntu raring to fix a failure of
+    creating an usb startup disk with usb-creator (LP: #1174791)
+
+ -- Nobuto MURATA <nobuto@ubuntu.com>  Wed, 01 May 2013 01:07:26 +0900
+
 live-build (3.0~a57-1ubuntu6) raring; urgency=low
 
   * Drop e500 and e500mc kernel images and headers from powerpc images.
diff -Nru live-build-3.0~a57/debian/patches/series live-build-3.0~a57/debian/patches/series
--- live-build-3.0~a57/debian/patches/series	2012-08-25 06:06:50.000000000 +0900
+++ live-build-3.0~a57/debian/patches/series	2013-05-01 00:39:11.000000000 +0900
@@ -14,3 +14,4 @@
 ubuntu-debootstrap-variants.patch
 ubuntu-fix-binary-hooks.patch
 ubuntu-no-xz-squashfs.patch
+ubuntu-add-raring-version.patch
diff -Nru live-build-3.0~a57/debian/patches/ubuntu-add-raring-version.patch live-build-3.0~a57/debian/patches/ubuntu-add-raring-version.patch
--- live-build-3.0~a57/debian/patches/ubuntu-add-raring-version.patch	1970-01-01 09:00:00.000000000 +0900
+++ live-build-3.0~a57/debian/patches/ubuntu-add-raring-version.patch	2013-05-01 01:06:46.000000000 +0900
@@ -0,0 +1,14 @@
+Description: add raring version number as a known release
+Origin: backport, http://live.debian.net/gitweb/?p=live-build.git;a=commit;h=d766063e128b6f51df58e90956f462343ca3808d
+Bug-Ubuntu: https://launchpad.net/bugs/1174791
+Forwarded: not-needed
+---
+Index: live-build-3.0~a57/functions/releases.sh
+===================================================================
+--- live-build-3.0~a57.orig/functions/releases.sh	2012-08-09 20:32:51.000000000 +0900
++++ live-build-3.0~a57/functions/releases.sh	2013-05-01 00:42:31.044073697 +0900
+@@ -26,3 +26,4 @@
+ RELEASE_oneiric="11.10"		# 2013-04-01
+ RELEASE_precise="12.04"		# LTS: 2017-04-01
+ RELEASE_quantal="12.10"		# 2014-04-01
++RELEASE_raring="13.04"		# 2014-01-01