diff --git a/_service b/_service
index 8b25e9c..75fbdf4 100644
--- a/_service
+++ b/_service
@@ -3,7 +3,7 @@
   <service name="obs_scm" mode="manual">
     <param name="scm">git</param>
     <param name="url">https://gitlab.gnome.org/GNOME/gnome-kiosk.git</param>
-    <param name="revision">c33c00ca</param>
+    <param name="revision">refs/tags/45.0</param>
     <param name="versionformat">@PARENT_TAG@+@TAG_OFFSET@</param>
     <param name="versionrewrite-pattern">(.*)\+0</param>
     <param name="versionrewrite-replacement">\1</param>
@@ -11,7 +11,7 @@
   <service name="tar" mode="buildtime"/>
   <service name="recompress" mode="buildtime">
     <param name="file">*.tar</param>
-    <param name="compression">xz</param>
+    <param name="compression">zst</param>
   </service>
   <service name="set_version" mode="manual" />
 </services>
diff --git a/gnome-kiosk-44.0+4.obscpio b/gnome-kiosk-44.0+4.obscpio
deleted file mode 100644
index d856fa7..0000000
--- a/gnome-kiosk-44.0+4.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f4260ab3c4a8f219654dacf114c2444c37d8818f594befd81920c5d3f717f754
-size 313867
diff --git a/gnome-kiosk-45.0.obscpio b/gnome-kiosk-45.0.obscpio
new file mode 100644
index 0000000..2e353bd
--- /dev/null
+++ b/gnome-kiosk-45.0.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b9b3917436a284b6c9521cce5fa774e4999c31be9312f92c22bc6929182c5d2
+size 313867
diff --git a/gnome-kiosk.changes b/gnome-kiosk.changes
index 695fc5f..0b1be37 100644
--- a/gnome-kiosk.changes
+++ b/gnome-kiosk.changes
@@ -1,3 +1,17 @@
+-------------------------------------------------------------------
+Sun Sep 17 12:52:47 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
+
+- Update to version 45.0:
+  + Complete port to mutter 45.
+- Switch compression to zst in both service and tarball produced.
+
+-------------------------------------------------------------------
+Sun Sep 10 19:42:16 UTC 2023 - Luciano Santos <luc14n0@opensuse.org>
+
+- Update to version 45.rc:
+  + Switch to gnome-desktop4.
+  + Port to mutter 45.
+
 -------------------------------------------------------------------
 Wed Aug  9 15:25:06 UTC 2023 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/gnome-kiosk.obsinfo b/gnome-kiosk.obsinfo
index 556e6d7..11a18bb 100644
--- a/gnome-kiosk.obsinfo
+++ b/gnome-kiosk.obsinfo
@@ -1,4 +1,4 @@
 name: gnome-kiosk
-version: 44.0+4
-mtime: 1691581917
-commit: c33c00ca42cf77094f26138d932466b0e4c322d2
+version: 45.0
+mtime: 1694954679
+commit: a235abce1828be82adcb004688a26aefebae843b
diff --git a/gnome-kiosk.spec b/gnome-kiosk.spec
index 1bc12e2..1c720dc 100644
--- a/gnome-kiosk.spec
+++ b/gnome-kiosk.spec
@@ -19,12 +19,12 @@
 %define mutter_api 13
 
 Name:           gnome-kiosk
-Version:        44.0+4
+Version:        45.0
 Release:        0
 Summary:        Mutter based compositor for kiosks
 License:        GPL-2.0-or-later
 URL:            https://gitlab.gnome.org/GNOME/gnome-kiosk
-Source0:        %{name}-%{version}.tar.xz
+Source0:        %{name}-%{version}.tar.zst
 
 BuildRequires:  fdupes
 BuildRequires:  meson