diff --git a/nbdkit.spec b/nbdkit.spec
index 765cb34..6444ec8 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -52,8 +52,8 @@ ExclusiveArch:  x86_64
 %global source_directory 1.33-development
 
 Name:           nbdkit
-Version:        1.33.5
-Release:        2%{?dist}
+Version:        1.33.6
+Release:        1%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -102,6 +102,7 @@ BuildRequires:  e2fsprogs, e2fsprogs-devel
 %if !0%{?rhel}
 BuildRequires:  xorriso
 BuildRequires:  rb_libtorrent-devel
+BuildRequires:  libblkio-devel
 %endif
 BuildRequires:  bash-completion
 BuildRequires:  perl-devel
@@ -260,6 +261,18 @@ This package contains example plugins for %{name}.
 # The plugins below have non-trivial dependencies are so are
 # packaged separately.
 
+%if !0%{?rhel}
+%package blkio-plugin
+Summary:        libblkio NVMe, vhost-user, vDPA, VFIO plugin for %{name}
+License:        BSD
+Requires:       %{name}-server%{?_isa} = %{version}-%{release}
+
+%description blkio-plugin
+This package contains libblkio (NVMe, vhost-user, vDPA, VFIO) support
+for %{name}.
+%endif
+
+
 %if !0%{?rhel}
 %package cc-plugin
 Summary:        Write small inline C plugins and scripts for %{name}
@@ -708,6 +721,7 @@ export PYTHON=%{__python3}
     --enable-ruby \
     --enable-tcl \
     --enable-torrent \
+    --with-libblkio \
     --with-ext2 \
     --with-iso \
     --with-libvirt \
@@ -717,6 +731,7 @@ export PYTHON=%{__python3}
     --disable-ruby \
     --disable-tcl \
     --disable-torrent \
+    --without-libblkio \
     --without-ext2 \
     --without-iso \
     --without-libvirt \
@@ -894,6 +909,15 @@ export LIBGUESTFS_TRACE=1
 %{_mandir}/man1/nbdkit-example*-plugin.1*
 
 
+%if !0%{?rhel}
+%files blkio-plugin
+%doc README.md
+%license LICENSE
+%{_libdir}/%{name}/plugins/nbdkit-blkio-plugin.so
+%{_mandir}/man1/nbdkit-blkio-plugin.1*
+%endif
+
+
 %if !0%{?rhel}
 %files cc-plugin
 %doc README.md
@@ -1219,6 +1243,10 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Wed Jan 11 2023 Richard W.M. Jones <rjones@redhat.com> - 1.33.6-1
+- New upstream development version 1.33.6
+- New plugin: nbdkit-blkio-plugin
+
 * Wed Jan 04 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.33.5-2
 - Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.2
 
diff --git a/sources b/sources
index 651b89e..6b08f89 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.33.5.tar.gz) = 0b2562b35b059a0c218d27160af3eb0ff9465ce07caaba099e2f1c59c2672b7821f1d3fbebafbe2a419128779a64e2205807b8dd2f78c4196df649694422bbb6
-SHA512 (nbdkit-1.33.5.tar.gz.sig) = e3fe4e8cbee9d66b291d6f6a20442ec5a050fe88bc5084c07fd513a15f38db413ec1bddaffacc9fd2d30654d3b2c1f492f9ca329c8ec9e0c5a8628c1cacc8051
+SHA512 (nbdkit-1.33.6.tar.gz) = c5e8df85ba99526ece1cce73fa5eeb2f47c721c74743f38ed8c8f8b627f5590a5dc314d24a99d16347624a602902b43cda45389f9060d51c30ce46a91e3378ab
+SHA512 (nbdkit-1.33.6.tar.gz.sig) = 81d00fd801374f4bc3110b6a46b65a57cfd4da6ef7c5694a3226a1aea69f27ca523cc7e38dceaf259d35c2626bfa06a362268c0d7b80b8fa62a31dd9b4597c80