diff -Nru ltsp-5.4.2/debian/changelog ltsp-5.4.2/debian/changelog
--- ltsp-5.4.2/debian/changelog	2012-08-01 23:56:02.000000000 +0100
+++ ltsp-5.4.2/debian/changelog	2012-08-03 09:13:02.000000000 +0100
@@ -1,3 +1,11 @@
+ltsp (5.4.2-2ubuntu3) quantal; urgency=low
+
+  * Drop Depends: for dhcp3-server following dhcp3-server to
+    isc-dhcp-server transition.  Note package was already ported
+    to isc-dhcp-server otherwise.
+
+ -- Andy Whitcroft <apw@ubuntu.com>  Fri, 03 Aug 2012 09:10:34 +0100
+
 ltsp (5.4.2-2ubuntu2) quantal; urgency=low
 
   * Add 40-ltsp as 40-ltsp-client and 40-ltsp-server in Xsession.d for both
diff -Nru ltsp-5.4.2/debian/control ltsp-5.4.2/debian/control
--- ltsp-5.4.2/debian/control	2012-07-31 23:12:20.000000000 +0100
+++ ltsp-5.4.2/debian/control	2012-08-03 09:04:26.000000000 +0100
@@ -41,7 +41,7 @@
   tftpd-hpa | atftpd | dnsmasq (>= 2.41)
 Suggests: audiooss,
   gnome-session | x-session-manager | x-window-manager,
-  isc-dhcp-server | dhcp3-server | dnsmasq,
+  isc-dhcp-server | dnsmasq,
   ldm-server,
   libasound2-plugins,
   ltsp-docs,
@@ -68,7 +68,7 @@
 Depends: ${misc:Depends},
   ${vendor:Depends},
   gnome-session | x-session-manager | x-window-manager,
-  isc-dhcp-server | dhcp3-server | dnsmasq,
+  isc-dhcp-server | dnsmasq,
   ldm-server,
   libasound2-plugins,
   ltspfs,