diff --git a/.gitignore b/.gitignore
index 52055a7..c3085a0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 SOURCES/libguestfs.keyring
-SOURCES/libnbd-1.14.2.tar.gz
+SOURCES/libnbd-1.16.0.tar.gz
diff --git a/.libnbd.metadata b/.libnbd.metadata
index ffd5b90..1a92f1c 100644
--- a/.libnbd.metadata
+++ b/.libnbd.metadata
@@ -1,2 +1,2 @@
 cc1b37b9cfafa515aab3eefd345ecc59aac2ce7b SOURCES/libguestfs.keyring
-6bc66366a216117c3c451dc7764c790435749b80 SOURCES/libnbd-1.14.2.tar.gz
+c2414379523599f06d4fb1f16fb9ed988e7fbb35 SOURCES/libnbd-1.16.0.tar.gz
diff --git a/SOURCES/copy-patches.sh b/SOURCES/copy-patches.sh
index 8edca8d..987ffe3 100755
--- a/SOURCES/copy-patches.sh
+++ b/SOURCES/copy-patches.sh
@@ -6,7 +6,7 @@ set -e
 # directory.  Use it like this:
 #   ./copy-patches.sh
 
-rhel_version=9.2
+rhel_version=9.3
 
 # Check we're in the right directory.
 if [ ! -f libnbd.spec ]; then
diff --git a/SOURCES/libnbd-1.14.2.tar.gz.sig b/SOURCES/libnbd-1.14.2.tar.gz.sig
deleted file mode 100644
index 7be2f79..0000000
--- a/SOURCES/libnbd-1.14.2.tar.gz.sig
+++ /dev/null
@@ -1,17 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQJFBAABCAAvFiEE93dPsa0HSn6Mh2fqkXOPc+G3aKAFAmO0NR0RHHJpY2hAYW5u
-ZXhpYS5vcmcACgkQkXOPc+G3aKBAzw//ZRKoT32ixiD1aL21Trbv8NTobPFy9We1
-hjdt6CYETBC71aTiaDONhBbXzyX0gv31WmCHWLYrxaE9edS9oaUD4l763ZCuYr9O
-6JR3CW8NG9/soh5INESzl7cm0i4WHofhKjMkmoZt+vPlCnBfUuZ+GOQHlzYNc41N
-3h2rjuIZZNRD0op6FmgnrY0Y2IYYtzR1kiUh47JQanHwwDHhdaaz4x348LQk/FlI
-s0qQv8wYe2kRfLvCgNVaPgywp8dx3cb+JmxcRcmolHLWM171XBkrYl2cJjBnYBAr
-5/pYU6wpzun3R53fTxHRBddLkLOOy2mbGDvyc0lsnc2Jh0RWKEThvC9A216KcSyL
-vIVwXnH5zq4mbEApK6G+hO34SWOmT5f8sIWm2vfsaQ7QncBO3fmBkge1o9roGmHy
-97nOPbx2+070gGz5tvCdCcZ4cq+K4Xh4OjikrBj/O0vmeA6c7+REJulKTxF9Dp4H
-e+zswAGo4kN7uGMSET3U8nbuWxs+RZfYGqCX1ivkfRBj8271CEh3rFNrlAxq3M8v
-dEUB8d3LIwlKMrc/ZpjL3x9zuM7dR7ZTQkYKJGRIL5GPUO9jwRDLBPCnx5Krjiyk
-JyN7Uxd52k09GDcLNKHDa3qLiU7Ye+DFTZqF23DOgXwlEWP/Gbg0Xe6DRVIM2gwM
-ateF79dey/4=
-=Le0m
------END PGP SIGNATURE-----
diff --git a/SOURCES/libnbd-1.16.0.tar.gz.sig b/SOURCES/libnbd-1.16.0.tar.gz.sig
new file mode 100644
index 0000000..27f9891
--- /dev/null
+++ b/SOURCES/libnbd-1.16.0.tar.gz.sig
@@ -0,0 +1,17 @@
+-----BEGIN PGP SIGNATURE-----
+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+=3xTJ
+-----END PGP SIGNATURE-----
diff --git a/SPECS/libnbd.spec b/SPECS/libnbd.spec
index fcf726e..35333b8 100644
--- a/SPECS/libnbd.spec
+++ b/SPECS/libnbd.spec
@@ -8,10 +8,10 @@
 %global patches_touch_autotools %{nil}
 
 # The source directory.
-%global source_directory 1.14-stable
+%global source_directory 1.16-stable
 
 Name:           libnbd
-Version:        1.14.2
+Version:        1.16.0
 Release:        1%{?dist}
 Summary:        NBD client library in userspace
 
@@ -29,7 +29,7 @@ Source2:       libguestfs.keyring
 Source3:        copy-patches.sh
 
 # Patches are stored in the upstream repository:
-# https://gitlab.com/nbdkit/libnbd/-/commits/rhel-9.2/
+# https://gitlab.com/nbdkit/libnbd/-/commits/rhel-9.3/
 
 # (no patches)
 
@@ -51,6 +51,12 @@ BuildRequires:  libxml2-devel
 # For nbdfuse.
 BuildRequires:  fuse3, fuse3-devel
 
+%if !0%{?rhel}
+# For nbdublk
+BuildRequires:  liburing-devel >= 2.2
+BuildRequires:  ubdsrv-devel >= 1.0-3.rc6
+%endif
+
 # For the Python 3 bindings.
 BuildRequires:  python3-devel
 
@@ -169,6 +175,21 @@ Recommends:     fuse3
 This package contains FUSE support for %{name}.
 
 
+%if !0%{?rhel}
+%package -n nbdublk
+Summary:        Userspace NBD block device
+License:        LGPLv2+
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+Recommends:     kernel >= 6.0.0
+Recommends:     %{_sbindir}/ublk
+
+
+%description -n nbdublk
+This package contains a userspace NBD block device
+based on %{name}.
+%endif
+
+
 %package bash-completion
 Summary:       Bash tab-completion for %{name}
 BuildArch:     noarch
@@ -215,6 +236,11 @@ find $RPM_BUILD_ROOT -name '*.la' -delete
 # Delete the golang man page since we're not distributing the bindings.
 rm $RPM_BUILD_ROOT%{_mandir}/man3/libnbd-golang.3*
 
+%if 0%{?rhel}
+# Delete nbdublk on RHEL.
+rm $RPM_BUILD_ROOT%{_datadir}/bash-completion/completions/nbdublk
+%endif
+
 
 %check
 function skip_test ()
@@ -318,6 +344,13 @@ make %{?_smp_mflags} check || {
 %{_mandir}/man1/nbdfuse.1*
 
 
+%if !0%{?rhel}
+%files -n nbdublk
+%{_bindir}/nbdublk
+%{_mandir}/man1/nbdublk.1*
+%endif
+
+
 %files bash-completion
 %dir %{_datadir}/bash-completion/completions
 %{_datadir}/bash-completion/completions/nbdcopy
@@ -325,10 +358,17 @@ make %{?_smp_mflags} check || {
 %{_datadir}/bash-completion/completions/nbdfuse
 %{_datadir}/bash-completion/completions/nbdinfo
 %{_datadir}/bash-completion/completions/nbdsh
+%if !0%{?rhel}
+%{_datadir}/bash-completion/completions/nbdublk
+%endif
 
 
 %changelog
-* Wed Mar 15 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 1.12.6-1
+* Tue Apr 18 2023 Richard W.M. Jones <rjones@redhat.com> - 1.16.0-1
+- Rebase to 1.16.0
+  resolves: rhbz#2168628
+
+* Wed Mar 15 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 1.14.2-1
 - Rebuilt for MSVSphere 9.1.
 
 * Tue Jan 03 2023 Richard W.M. Jones <rjones@redhat.com> - 1.14.2-1