diff --git a/libnbd.spec b/libnbd.spec
index 64ed2f8..52b55fd 100644
--- a/libnbd.spec
+++ b/libnbd.spec
@@ -11,7 +11,7 @@
 %global source_directory 1.15-development
 
 Name:           libnbd
-Version:        1.15.1
+Version:        1.15.2
 Release:        1%{?dist}
 Summary:        NBD client library in userspace
 
@@ -46,6 +46,10 @@ BuildRequires:  libxml2-devel
 # For nbdfuse.
 BuildRequires:  fuse3, fuse3-devel
 
+# For nbdublk
+BuildRequires:  liburing-devel >= 2.2
+BuildRequires:  ubdsrv-devel >= 0.1-3
+
 # For the Python 3 bindings.
 BuildRequires:  python3-devel
 
@@ -164,6 +168,19 @@ Recommends:     fuse3
 This package contains FUSE support for %{name}.
 
 
+%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}.
+
+
 %package bash-completion
 Summary:       Bash tab-completion for %{name}
 BuildArch:     noarch
@@ -313,6 +330,11 @@ make %{?_smp_mflags} check || {
 %{_mandir}/man1/nbdfuse.1*
 
 
+%files -n nbdublk
+%{_bindir}/nbdublk
+%{_mandir}/man1/nbdublk.1*
+
+
 %files bash-completion
 %dir %{_datadir}/bash-completion/completions
 %{_datadir}/bash-completion/completions/nbdcopy
@@ -320,9 +342,14 @@ make %{?_smp_mflags} check || {
 %{_datadir}/bash-completion/completions/nbdfuse
 %{_datadir}/bash-completion/completions/nbdinfo
 %{_datadir}/bash-completion/completions/nbdsh
+%{_datadir}/bash-completion/completions/nbdublk
 
 
 %changelog
+* Fri Sep 02 2022 Richard W.M. Jones <rjones@redhat.com> - 1.15.2-1
+- New upstream development version 1.15.2
+- New tool: nbdublk
+
 * Thu Aug 18 2022 Richard W.M. Jones <rjones@redhat.com> - 1.15.1-1
 - New upstream development version 1.15.1
 
diff --git a/sources b/sources
index 4b4135d..fb76c97 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (libnbd-1.15.1.tar.gz) = a848ce5f2239d7adc328246f8be20dbc1595ce1269ae296879d6301603ff2b1654d9014014004cb45d82635e8445fe314cfb433afc02dd8495ee0bfbdad3d051
-SHA512 (libnbd-1.15.1.tar.gz.sig) = a4b1befc410807beaef7b371f4aa891af0261ce45c874d547774f372efd298c8890134b09907f26d2cf7bb85c2f8e8142b23f8a0b208096235044e48e212ddd7
+SHA512 (libnbd-1.15.2.tar.gz) = 519f12f3c234a7e09075edfac762acfc789641822b42cd2e5cc58e9b4552f48e33d4a2e9ec15ae15f40be96619217b6331091f16516f677850fb3e9ef7187c49
+SHA512 (libnbd-1.15.2.tar.gz.sig) = 5fb6032d646ca24abfffac9816e68986dfa418efdc8e25b5df0235454511620a8125651db5c79656e4273adf1e61dd4c337eff70a867eef1e30e97189ff5c495