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-----
-
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-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-----
+
+iQJFBAABCAAvFiEE93dPsa0HSn6Mh2fqkXOPc+G3aKAFAmQ+sXgRHHJpY2hAYW5u
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+qD401mkvLis=
+=3xTJ
+-----END PGP SIGNATURE-----
diff --git a/SPECS/libnbd.spec b/SPECS/libnbd.spec
index cbca344..edce608 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
@@ -325,9 +358,16 @@ 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
+* Tue Apr 18 2023 Richard W.M. Jones <rjones@redhat.com> - 1.16.0-1
+- Rebase to 1.16.0
+  resolves: rhbz#2168628
+
 * Fri Apr 14 2023 MSVSphere Packaging Team <packager@msvsphere.ru> - 1.14.2-1
 - Rebuilt for MSVSphere 9.2 beta