diff --git a/.gitignore b/.gitignore
index 56efb68..87da243 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /stratisd-0.1.4.tar.gz
 /stratisd-0.1.5.tar.gz
 /stratisd-0.5.0.tar.gz
+/stratisd-0.5.1.tar.gz
diff --git a/32bit-fix.diff b/32bit-fix.diff
deleted file mode 100644
index 742de85..0000000
--- a/32bit-fix.diff
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/engine/strat_engine/thinpool/filesystem.rs b/src/engine/strat_engine/thinpool/filesystem.rs
-index ae6c66b..ffcf962 100644
---- a/src/engine/strat_engine/thinpool/filesystem.rs
-+++ b/src/engine/strat_engine/thinpool/filesystem.rs
-@@ -225,6 +225,6 @@ pub fn fs_usage(mount_point: &Path) -> EngineResult<(Bytes, Bytes)> {
-     // Upcast to u64.
-     let f_bsize = stat.block_size() as u64;
- 
--    let blocks = stat.blocks();
--    Ok((Bytes(f_bsize * blocks), Bytes(f_bsize * (blocks - stat.blocks_free()))))
-+    let blocks = stat.blocks() as u64;
-+    Ok((Bytes(f_bsize * blocks), Bytes(f_bsize * (blocks - stat.blocks_free() as u64))))
- }
diff --git a/sources b/sources
index 3a4e01b..ef04a71 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (stratisd-0.5.0.tar.gz) = f5e29a61be6d4de5b81c80d251e71f10acd376861ed04cd9d9d273ff80c806367aa6c9772c563a4511f4ac879df15fb4ca4b631a548efbabc58b13d7a5111aa6
+SHA512 (stratisd-0.5.1.tar.gz) = 0b06594f59fdd228e975204c30c9454d7874fe213b2707e0139d83b5b0d48303716d9c5b39f53567aabb4f287b43390f0b33cf771ce0f886f99d8dafcc8d0090
diff --git a/stratisd.spec b/stratisd.spec
index b093cf3..508ee6f 100644
--- a/stratisd.spec
+++ b/stratisd.spec
@@ -8,27 +8,24 @@
 %global __cargo_common_opts %{__cargo_common_opts} --features dbus_enabled
 
 Name:           stratisd
-Version:        0.5.0
-Release:        2%{?dist}
+Version:        0.5.1
+Release:        1%{?dist}
 Summary:        Daemon that manages block devices to create filesystems
 
 License:        MPLv2.0
 URL:            https://github.com/stratis-storage/stratisd
 Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
-Patch0:         32bit-fix.diff
 
 ExclusiveArch:  %{rust_arches}
 
 BuildRequires:  rust-packaging
-BuildRequires:  asciidoc
-
 # [dependencies]
 BuildRequires:  (crate(byteorder) >= 1.0.0 with crate(byteorder) < 2.0.0)
 BuildRequires:  (crate(chrono) >= 0.4.0 with crate(chrono) < 0.5.0)
 BuildRequires:  (crate(clap) >= 2.0.0 with crate(clap) < 3.0.0)
 BuildRequires:  (crate(crc) >= 1.0.0 with crate(crc) < 2.0.0)
 BuildRequires:  (crate(dbus) >= 0.6.1 with crate(dbus) < 0.7.0)
-BuildRequires:  (crate(devicemapper) >= 0.19.0 with crate(devicemapper) < 0.20.0)
+BuildRequires:  (crate(devicemapper) >= 0.20.0 with crate(devicemapper) < 0.21.0)
 BuildRequires:  (crate(env_logger) >= 0.4.0 with crate(env_logger) < 0.5.0)
 BuildRequires:  (crate(error-chain) >= 0.11.0 with crate(error-chain) < 0.12.0)
 BuildRequires:  (crate(libc) >= 0.2.36 with crate(libc) < 0.3.0)
@@ -48,6 +45,7 @@ BuildRequires:  ((crate(uuid) >= 0.5.0 with crate(uuid) < 0.6.0) with crate(uuid
 BuildRequires:  (crate(loopdev) >= 0.2.0 with crate(loopdev) < 0.3.0)
 BuildRequires:  (crate(quickcheck) >= 0.6.0 with crate(quickcheck) < 0.7.0)
 %endif
+BuildRequires:  %{_bindir}/a2x
 
 Requires:       xfsprogs
 Requires:       device-mapper-persistent-data
@@ -63,7 +61,7 @@ sed -i -e "/^clippy/d" Cargo.toml
 
 %build
 %cargo_build
-make stratisd.8
+a2x -f manpage docs/stratisd.txt
 
 %install
 %cargo_install
@@ -72,7 +70,7 @@ make stratisd.8
 # Daemon should be really private
 mkdir -p %{buildroot}%{_libexecdir}
 mv %{buildroot}%{_bindir}/stratisd %{buildroot}%{_libexecdir}/stratisd
-%{__install} -Dpm0644 -t %{buildroot}%{_mandir}/man8/ docs/stratisd.8
+%{__install} -Dpm0644 -t %{buildroot}%{_mandir}/man8 docs/stratisd.8
 
 %if %{with check}
 %check
@@ -85,9 +83,12 @@ mv %{buildroot}%{_bindir}/stratisd %{buildroot}%{_libexecdir}/stratisd
 %{_libexecdir}/stratisd
 %{_datadir}/dbus-1/system.d/stratisd.conf
 %{_datadir}/dbus-1/system-services/org.storage.stratis1.service
-%{_mandir}/man8/stratisd.8.gz
+%{_mandir}/man8/stratisd.8*
 
 %changelog
+* Tue Apr 03 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 0.5.1-1
+- Update to 0.5.1
+
 * Tue Mar 13 2018 Andy Grover <agrover@redhat.com> - 0.5.0-2
 - Add stratisd manpage