diff --git a/_service b/_service
new file mode 100644
index 0000000..1397f60
--- /dev/null
+++ b/_service
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<services>
+  <service name="obs_scm" mode="manual">
+    <param name="scm">git</param>
+    <param name="url">https://gitlab.gnome.org/GNOME/polari.git</param>
+    <param name="revision">45.0</param>
+    <param name="versionformat">@PARENT_TAG@+@TAG_OFFSET@</param>
+    <param name="versionrewrite-pattern">v?(.*)\+0</param>
+    <param name="versionrewrite-replacement">\1</param>
+<!--    <param name="changesgenerate">enable</param> -->
+  </service>
+  <service name="tar" mode="buildtime"/>
+  <service name="recompress" mode="buildtime">
+    <param name="file">*.tar</param>
+    <param name="compression">zst</param>
+  </service>
+  <service name="set_version" mode="manual" />
+</services>
+
diff --git a/polari-45.0.obscpio b/polari-45.0.obscpio
new file mode 100644
index 0000000..1a3cbc8
--- /dev/null
+++ b/polari-45.0.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4bc5a6f45cb55f98682e6650144212aa7fd49bd2174b535e0ed6fc5202407ffe
+size 3810316
diff --git a/polari-45.0.tar.xz b/polari-45.0.tar.xz
deleted file mode 100644
index 4623399..0000000
--- a/polari-45.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9db7ddc094aa8557f19177e164c42d8be167f54724b927130b7621c829c1d4a1
-size 1060220
diff --git a/polari.changes b/polari.changes
index bba411b..9eb4bf3 100644
--- a/polari.changes
+++ b/polari.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan 16 17:44:02 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Convert to source service for easier updating.
+
 -------------------------------------------------------------------
 Sat Sep 16 21:59:28 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/polari.obsinfo b/polari.obsinfo
new file mode 100644
index 0000000..dbf009f
--- /dev/null
+++ b/polari.obsinfo
@@ -0,0 +1,4 @@
+name: polari
+version: 45.0
+mtime: 1694856475
+commit: 9ea71de3d20fdc96e76bb55362418b9118e7cf07
diff --git a/polari.spec b/polari.spec
index 98cc4ae..1fc6e55 100644
--- a/polari.spec
+++ b/polari.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package polari
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 # Copyright (c) 2013 Dominique Leuenberger, Amsterdam, The Netherlands
 #
 # All modifications and additions to the file contributed by third parties
@@ -24,7 +24,7 @@ Summary:        An IRC Client for GNOME
 License:        GPL-2.0-or-later AND LGPL-2.1-or-later
 Group:          Productivity/Networking/IRC
 URL:            https://wiki.gnome.org/Apps/Polari
-Source0:        https://download.gnome.org/sources/polari/45/%{name}-%{version}.tar.xz
+Source0:        %{name}-%{version}.tar.zst
 Source99:       polari-rpmlintrc
 
 BuildRequires:  appstream-glib