diff --git a/_service b/_service
deleted file mode 100644
index 349b4b8..0000000
--- a/_service
+++ /dev/null
@@ -1,21 +0,0 @@
-<services>
-  <service name="obs_scm" mode="disabled">
-    <param name="url">https://github.com/hughsie/colord-gtk.git</param>
-    <param name="scm">git</param>
-    <param name="versionformat">@PARENT_TAG@+@TAG_OFFSET@</param>
-    <param name="versionrewrite-pattern">COLORD_GTK_(\d+)_(\d+)_(\d+)(\+0)?(\+[1-9][0-9]*)?</param>
-    <param name="versionrewrite-replacement">\1.\2.\3\5</param>
-    <param name="changesgenerate">enable</param>
-    <param name="revision">c6fd5ab9bde0a23158f236a808722bacc661b57c</param>
-<!--
-    <param name="revision">refs/tags/appstream_glib_0_7_18</param>
--->
-  </service>
-  <service name="tar" mode="buildtime"/>
-  <service name="recompress" mode="buildtime">
-    <param name="file">*.tar</param>
-    <param name="compression">xz</param>
-  </service>
-  <service name="set_version" mode="disabled"/>
-</services>
-
diff --git a/_servicedata b/_servicedata
deleted file mode 100644
index 5dd782d..0000000
--- a/_servicedata
+++ /dev/null
@@ -1,4 +0,0 @@
-<servicedata>
-<service name="tar_scm">
-                <param name="url">https://github.com/hughsie/colord-gtk.git</param>
-              <param name="changesrevision">c6fd5ab9bde0a23158f236a808722bacc661b57c</param></service></servicedata>
\ No newline at end of file
diff --git a/colord-gtk-0.2.0+8.obscpio b/colord-gtk-0.2.0+8.obscpio
deleted file mode 100644
index de32dcd..0000000
--- a/colord-gtk-0.2.0+8.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:4f8ed89bbc3fb7c0326c257598e106311a10aeae24c9e15df4583cc55d7614d3
-size 110603
diff --git a/colord-gtk-0.3.0.tar.xz b/colord-gtk-0.3.0.tar.xz
new file mode 100644
index 0000000..e5f4bcc
--- /dev/null
+++ b/colord-gtk-0.3.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9466656d66d9a6ffbc2dd04fa91c8f6af516bf9efaacb69744eec0f56f3c1d0
+size 21768
diff --git a/colord-gtk-0.3.0.tar.xz.asc b/colord-gtk-0.3.0.tar.xz.asc
new file mode 100644
index 0000000..ae11e22
--- /dev/null
+++ b/colord-gtk-0.3.0.tar.xz.asc
@@ -0,0 +1,11 @@
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diff --git a/colord-gtk.changes b/colord-gtk.changes
index 50338c2..034e403 100644
--- a/colord-gtk.changes
+++ b/colord-gtk.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon May  2 18:09:19 UTC 2022 - Ferdinand Thiessen <rpm@fthiessen.de>
+
+- Update to stable release 0.3.0
+  + Stable release
+  + Sync spec file with downstream
+- Use source signature
+
 -------------------------------------------------------------------
 Tue Mar 22 11:09:45 UTC 2022 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/colord-gtk.keyring b/colord-gtk.keyring
new file mode 100644
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@@ -0,0 +1,127 @@
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diff --git a/colord-gtk.obsinfo b/colord-gtk.obsinfo
deleted file mode 100644
index 9145f4c..0000000
--- a/colord-gtk.obsinfo
+++ /dev/null
@@ -1,4 +0,0 @@
-name: colord-gtk
-version: 0.2.0+8
-mtime: 1640773658
-commit: c6fd5ab9bde0a23158f236a808722bacc661b57c
diff --git a/colord-gtk.spec b/colord-gtk.spec
index 3e1d1cf..158c809 100644
--- a/colord-gtk.spec
+++ b/colord-gtk.spec
@@ -17,15 +17,16 @@
 
 
 Name:           colord-gtk
-Version:        0.2.0+8
+Version:        0.3.0
 Release:        0
 Summary:        System Daemon for Managing Color Devices -- GTK Integration
 License:        LGPL-2.1-or-later
 Group:          System/Daemons
 URL:            https://www.freedesktop.org/software/colord
-Source:         %{name}-%{version}.tar.xz
+Source0:        https://www.freedesktop.org/software/colord/releases/colord-gtk-%{version}.tar.xz
+Source1:        https://www.freedesktop.org/software/colord/releases/colord-gtk-%{version}.tar.xz.asc
+Source2:        %{name}.keyring
 Source99:       baselibs.conf
-
 BuildRequires:  docbook5-xsl-stylesheets
 BuildRequires:  gtk-doc
 BuildRequires:  meson