diff --git a/_service b/_service
new file mode 100644
index 0000000..38847c5
--- /dev/null
+++ b/_service
@@ -0,0 +1,13 @@
+<services>
+  <service name="tar_scm" mode="disabled">
+    <param name="version">13.2</param>
+    <param name="versionformat">13.2+git%cd.%h</param>
+    <param name="url">git://github.com/openSUSE/post-build-checks.git</param>
+    <param name="scm">git</param>
+  </service>
+  <service name="recompress" mode="disabled">
+    <param name="compression">xz</param>
+    <param name="file">*.tar</param>
+  </service>
+  <service name="set_version" mode="disabled"/>
+</services>
diff --git a/post-build-checks-1.1.tar.bz2 b/post-build-checks-1.1.tar.bz2
deleted file mode 100644
index c54a885..0000000
--- a/post-build-checks-1.1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8b0e57e9dd6c98c7931f4969f07a5b1063636b3751284622899419f57ac4c751
-size 36119
diff --git a/post-build-checks-13.2+git20131209.3ee7eba.tar.xz b/post-build-checks-13.2+git20131209.3ee7eba.tar.xz
new file mode 100644
index 0000000..28fe55e
--- /dev/null
+++ b/post-build-checks-13.2+git20131209.3ee7eba.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b0bbbae40678dc86fa369e6cbfecdbadead795907518941fb08272f0ccc37dcf
+size 35256
diff --git a/post-build-checks.changes b/post-build-checks.changes
index 9d564ac..7379eb4 100644
--- a/post-build-checks.changes
+++ b/post-build-checks.changes
@@ -1,8 +1,12 @@
+-------------------------------------------------------------------
+Tue Jan  7 20:11:44 UTC 2014 - coolo@suse.com
+
+- switch to _service file to avoid silent tar updates
+
 -------------------------------------------------------------------
 Tue Jan  7 16:15:28 UTC 2014 - coolo@suse.com
 
 - remove mounting and unmounting of /proc - build handles it
-- V 1.1
 
 -------------------------------------------------------------------
 Mon Dec  9 15:41:16 UTC 2013 - ro@suse.com
diff --git a/post-build-checks.spec b/post-build-checks.spec
index ea9d08c..674dd94 100644
--- a/post-build-checks.spec
+++ b/post-build-checks.spec
@@ -20,7 +20,7 @@ Name:           post-build-checks
 Summary:        post checks for build after rpms have been created
 License:        GPL-2.0+
 Group:          Development/Tools/Building
-Version:        1.1
+Version:        13.2+git20131209.3ee7eba
 Release:        0
 PreReq:         aaa_base permissions sed
 Requires:       aaa_base-malloccheck
@@ -31,10 +31,9 @@ Url:            https://github.com/openSUSE/post-build-checks
 # for inclusion in the git repo!
 #
 # git clone https://github.com/openSUSE/post-build-checks.git
-# cd post-build-checks
-# make package
+# osc service dr
 #
-Source0:        %{name}-%{version}.tar.bz2
+Source0:        %{name}-%{version}.tar.xz
 BuildArch:      noarch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build