diff --git a/_service b/_service
index 4b6a415..0fcf0b4 100644
--- a/_service
+++ b/_service
@@ -9,7 +9,7 @@
 
   <service name="recompress" mode="manual">
     <param name="file">*.tar</param>
-    <param name="compression">bz2</param>
+    <param name="compression">zst</param>
   </service>
 
   <service name="set_version" mode="manual">
diff --git a/_servicedata b/_servicedata
index 6e00d4b..a9f4e08 100644
--- a/_servicedata
+++ b/_servicedata
@@ -3,4 +3,4 @@
             <param name="url">git://github.com/openSUSE/obs-service-source_validator.git</param>
           <param name="changesrevision">c68d7a28c4ecd88b179359b030098503e75adc0b</param></service><service name="tar_scm">
                 <param name="url">https://github.com/openSUSE/obs-service-source_validator.git</param>
-              <param name="changesrevision">bed1b989bd288bf390c72b8a97a9dddd10d727dd</param></service></servicedata>
\ No newline at end of file
+              <param name="changesrevision">dc194a4ede73ba475da4edb37e84f87ff56cf9a3</param></service></servicedata>
\ No newline at end of file
diff --git a/obs-service-source_validator-0.26.tar.bz2 b/obs-service-source_validator-0.26.tar.bz2
deleted file mode 100644
index 34ee1c4..0000000
--- a/obs-service-source_validator-0.26.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cec78b7e87ee355c6e288c48cff183a5e0fb5a505b1d8da4ae1e37d81f2fcee3
-size 59870
diff --git a/obs-service-source_validator-0.27.tar.zst b/obs-service-source_validator-0.27.tar.zst
new file mode 100644
index 0000000..c09e437
--- /dev/null
+++ b/obs-service-source_validator-0.27.tar.zst
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b09588234ff4db00067aaf0b4f3cff1d752164ca98fd0ac962559b1124686fc6
+size 57771
diff --git a/obs-service-source_validator.changes b/obs-service-source_validator.changes
index 756af3b..0e41275 100644
--- a/obs-service-source_validator.changes
+++ b/obs-service-source_validator.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Sep 20 19:32:41 UTC 2022 - dmueller@suse.com
+
+- Update to version 0.27:
+  * Convert all egrep/fgrep calls to grep -E/-F, respectively.
+- use zstd for tarball compression
+- spec file cleanups
+
 -------------------------------------------------------------------
 Thu Aug 11 11:48:16 UTC 2022 - ro@suse.de
 
diff --git a/obs-service-source_validator.spec b/obs-service-source_validator.spec
index 4aacc4d..dda400c 100644
--- a/obs-service-source_validator.spec
+++ b/obs-service-source_validator.spec
@@ -17,28 +17,29 @@
 
 
 Name:           obs-service-source_validator
+Version:        0.27
+Release:        0
 Summary:        An OBS source service: running all the osc source-validator checks
 License:        GPL-2.0-or-later
 Group:          Development/Tools/Building
 URL:            https://github.com/openSUSE/obs-service-source_validator
-Version:        0.26
-Release:        0
 # use osc service dr to update
-Source:         %{name}-%{version}.tar.bz2
+Source:         %{name}-%{version}.tar.zst
+BuildRequires:  build
+BuildRequires:  zstd
+Requires:       %{_bindir}/xmllint
+Requires:       build
+Requires:       patch
+Requires:       perl-TimeDate
+Provides:       osc-source_validator = %{version}
+Obsoletes:      osc-source_validator <= 0.1
+BuildArch:      noarch
 %if 0%{?suse_version}
 Requires:       gpg2
 %else
 # Fedora
 Requires:       gnupg2
 %endif
-BuildArch:      noarch
-BuildRequires:  build
-Requires:       /usr/bin/xmllint
-Requires:       build
-Requires:       patch
-Requires:       perl-TimeDate
-Provides:       osc-source_validator = %version
-Obsoletes:      osc-source_validator <= 0.1
 %if 0%{?suse_version} > 1210 || 0%{?centos_version} > 500
 Requires:       rpm-build
 %endif
@@ -58,18 +59,17 @@ used via project wide defined services.
 
 %install
 mkdir -p %{buildroot}%{_datadir}/licenses
-%makeinstall
+%make_install
 
 %check
-make test
+%make_build test
 
 %files
-%defattr(-,root,root)
 %license COPYING
 %if 0%{?suse_version} <= 1320
 %dir %{_datadir}/licenses
 %endif
-%dir /usr/lib/obs
-/usr/lib/obs/service
+%dir %{_prefix}/lib/obs
+%{_prefix}/lib/obs/service
 
 %changelog