diff --git a/_service b/_service
new file mode 100644
index 0000000..bc8f751
--- /dev/null
+++ b/_service
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<services>
+  <service name="obs_scm" mode="manual">
+    <param name="url">https://gitlab.gnome.org/GNOME/gnome-mahjongg.git</param>
+    <param name="scm">git</param>
+    <param name="revision">96668c52</param>
+    <param name="versionformat">@PARENT_TAG@+@TAG_OFFSET@</param>
+    <param name="versionrewrite-pattern">(.*)\+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/_servicedata b/_servicedata
new file mode 100644
index 0000000..6fbb14b
--- /dev/null
+++ b/_servicedata
@@ -0,0 +1,4 @@
+<servicedata>
+<service name="tar_scm">
+                <param name="url">https://gitlab.gnome.org/GNOME/gnome-mahjongg.git</param>
+              <param name="changesrevision">96668c52afaec1636d1df4af17ef6decb04149a8</param></service></servicedata>
\ No newline at end of file
diff --git a/gnome-mahjongg-3.40.0+35.obscpio b/gnome-mahjongg-3.40.0+35.obscpio
new file mode 100644
index 0000000..4022b88
--- /dev/null
+++ b/gnome-mahjongg-3.40.0+35.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06ba464d85ac02d3ddfcf4b881ff392a0b6939451f5345661b41ab9dcb0e32d4
+size 5094924
diff --git a/gnome-mahjongg-3.40.0.tar.xz b/gnome-mahjongg-3.40.0.tar.xz
deleted file mode 100644
index dcab7e8..0000000
--- a/gnome-mahjongg-3.40.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5a8ac86d763c5660dd9025f7bc08310b922346fa7e2df7b648c9894dae3f183f
-size 3156788
diff --git a/gnome-mahjongg.changes b/gnome-mahjongg.changes
index 628666a..f2dc06e 100644
--- a/gnome-mahjongg.changes
+++ b/gnome-mahjongg.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Sat Sep 23 16:38:33 UTC 2023 - bjorn.lie@gmail.com
+
+- Update to version 3.40.0+35:
+  + window: always show number of moves left
+  + gnome-mahjongg: update 'moves left' on tile match and restart
+  + game: Only create a single timer
+  + User help: Correct dead IRC link
+  + Updated translations.
+- Switch to service, git checkout of current head.
+
 -------------------------------------------------------------------
 Wed May 31 16:28:49 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/gnome-mahjongg.obsinfo b/gnome-mahjongg.obsinfo
new file mode 100644
index 0000000..b3f90d0
--- /dev/null
+++ b/gnome-mahjongg.obsinfo
@@ -0,0 +1,4 @@
+name: gnome-mahjongg
+version: 3.40.0+35
+mtime: 1695150597
+commit: 96668c52afaec1636d1df4af17ef6decb04149a8
diff --git a/gnome-mahjongg.spec b/gnome-mahjongg.spec
index dd408ae..2a070a5 100644
--- a/gnome-mahjongg.spec
+++ b/gnome-mahjongg.spec
@@ -17,13 +17,13 @@
 
 
 Name:           gnome-mahjongg
-Version:        3.40.0
+Version:        3.40.0+35
 Release:        0
 Summary:        Mahjong Solitaire Game for GNOME
 License:        GPL-2.0-or-later
 Group:          Amusements/Games/Board/Puzzle
 URL:            https://live.gnome.org/GnomeMahongg
-Source0:        https://download.gnome.org/sources/gnome-mahjongg/3.40/%{name}-%{version}.tar.xz
+Source0:        %{name}-%{version}.tar.zst
 
 BuildRequires:  appstream-glib
 BuildRequires:  desktop-file-utils