diff --git a/asteroids3D-0.5.1+.tar.xz b/asteroids3D-0.5.1+.tar.xz
deleted file mode 100644
index 419de97..0000000
--- a/asteroids3D-0.5.1+.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0e5c987271fd363749fec43bcc7984e4fe5122295d06af6c1eb0008ed4b1630b
-size 509668
diff --git a/asteroids3D-1.0.tar.asc b/asteroids3D-1.0.tar.asc
new file mode 100644
index 0000000..62b2f17
--- /dev/null
+++ b/asteroids3D-1.0.tar.asc
@@ -0,0 +1,7 @@
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diff --git a/asteroids3D-1.0.tar.xz b/asteroids3D-1.0.tar.xz
new file mode 100644
index 0000000..93f70cb
--- /dev/null
+++ b/asteroids3D-1.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a84f514fc9ab97e9343baaaf5537eac25f5d6bde2e0c3c2b94705cc6b84efa74
+size 512080
diff --git a/asteroids3D.changes b/asteroids3D.changes
index fb7d103..fa3976d 100644
--- a/asteroids3D.changes
+++ b/asteroids3D.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Nov 17 21:14:05 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 1.0
+  * Build system modernization
+- Metadata update (homepage URL) and trim old RPM constructs.
+
 -------------------------------------------------------------------
 Fri Aug 29 19:43:35 UTC 2014 - jengelh@inai.de
 
diff --git a/asteroids3D.keyring b/asteroids3D.keyring
new file mode 100644
index 0000000..5a8de51
--- /dev/null
+++ b/asteroids3D.keyring
@@ -0,0 +1,25 @@
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diff --git a/asteroids3D.spec b/asteroids3D.spec
index fb60766..448a95c 100644
--- a/asteroids3D.spec
+++ b/asteroids3D.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package asteroids3D
 #
-# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,26 +12,26 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
 Name:           asteroids3D
-Version:        0.5.1+
+Version:        1.0
 Release:        0
 Summary:        First-person shooter blowing up asteroids
-License:        GPL-2.0+
+License:        GPL-2.0-or-later
 Group:          Amusements/Games/Action/Arcade
-Url:            http://sf.net/projects/a3d
+URL:            https://inai.de/projects/asteroids3D
 
-#Git-Clone:	git://a3d.git.sf.net/gitroot/a3d/a3d
-Source:         %name-%version.tar.xz
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-BuildRequires:  freeglut-devel
-BuildRequires:  pkgconfig >= 0.19
+Source:         https://inai.de/files/asteroids3D/%name-%version.tar.xz
+Source2:        https://inai.de/files/asteroids3D/%name-%version.tar.asc
+Source3:        %name.keyring
+BuildRequires:  pkg-config >= 0.19
 BuildRequires:  xz
 BuildRequires:  pkgconfig(gl)
 BuildRequires:  pkgconfig(glu)
+BuildRequires:  pkgconfig(glut)
 
 %description
 A simple first person shooter of blowing up asteroids in 3D space.
@@ -39,18 +39,18 @@ The codebase also serves as an introduction to trigonometry and
 OpenGL.
 
 %prep
-%setup -q
+%autosetup
 
 %build
 %configure --with-gamesdir=%_bindir --with-gamedatadir=%_datadir/games/%name
-make %{?_smp_mflags};
+%make_build
 
 %install
-make install DESTDIR="%buildroot";
+%make_install
 
 %files
-%defattr(-,root,root)
 %_bindir/asteroids3D
+%_datadir/applications/*.desktop
 %_datadir/games/%name
 
 %changelog