diff --git a/debian/changelog b/debian/changelog
index cff499f8..0320c59a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,15 @@
+livecd-rootfs (2.755) jammy; urgency=medium
+
+  [ Brian Murray ]
+  * Add the casper package instead of the lupin-casper package as the
+    installer for Windows is a project that is no longer supported and lupin
+    is being removed the archive in LP: 1960457.
+
+  [ John Chittum ]
+  *  Add sleep due to e2fsck error in umount_partition. LP: #1960537
+
+ -- Brian Murray <brian@ubuntu.com>  Thu, 10 Feb 2022 13:54:42 -0800
+
 livecd-rootfs (2.754) jammy; urgency=medium
 
   * Disable APT periodic update for OCI/docker images when cron-like
diff --git a/live-build/auto/config b/live-build/auto/config
index 0d3c1b9d..2e4ad395 100755
--- a/live-build/auto/config
+++ b/live-build/auto/config
@@ -548,11 +548,11 @@ case $IMAGEFORMAT in
 				;;
 			ubuntu)
 				if [ "$SUBPROJECT" != "canary" ]; then
-					add_package live lupin-casper
+					add_package live casper
 				fi
 				;;
 			*)
-				add_package live lupin-casper
+				add_package live casper
 				;;
 		esac
 		;;
@@ -840,7 +840,7 @@ case $PROJECT in
 				snap_from_seed server config/package-lists/livecd-rootfs.snaplist.chroot_ubuntu-server-minimal.ubuntu-server.full
 				add_package ubuntu-server-minimal.ubuntu-server cloud-init
 
-				add_package ubuntu-server-minimal.ubuntu-server.installer linux-firmware lupin-casper openssh-server
+				add_package ubuntu-server-minimal.ubuntu-server.installer linux-firmware casper openssh-server
 				add_snap ubuntu-server-minimal.ubuntu-server.installer subiquity/classic
 				if [ $ARCH = s390x ]; then
 					add_package ubuntu-server-minimal.ubuntu-server.installer s390-tools-zkey
diff --git a/live-build/functions b/live-build/functions
index 85c3a50f..3d01b0e3 100644
--- a/live-build/functions
+++ b/live-build/functions
@@ -234,6 +234,8 @@ umount_partition() {
     mount --make-private $mountpoint
     umount $mountpoint
     udevadm settle
+    # workaround for LP: 1960537
+    sleep 30 
 
     if [ -n "${rootfs_dev_mapper}" -a -b "${rootfs_dev_mapper}" ]; then
         # buildd's don't have /etc/mtab symlinked