diff --git a/.gitignore b/.gitignore
index bedb942..cccae29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,7 @@
-/tzclock-*.tar.bz2
+tzclock-2.7.7.tar.bz2
+/tzclock-3.0.1.tar.bz2
+/tzclock-3.0.2.tar.bz2
+/tzclock-3.0.3.tar.bz2
+/tzclock-3.0.5.tar.bz2
+/tzclock-3.0.6.tar.bz2
+/tzclock-3.1.7.tar.bz2
diff --git a/sources b/sources
index 8d86c99..f03566c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (tzclock-4.9.tar.bz2) = 846793d9fe9eaeb82caea2086faea14d072f1800b2953852a585e76dff195d8340659b4ffc04c5f9a1d93d3fc19a00592b2d217b0eed014c24465b603b9b7e74
+SHA512 (tzclock-3.1.7.tar.bz2) = b9d382c8c091d48b4bf67a4673eb910c5350593ac6e1c76949f75422c88ca1f78969f5c98937e0a1be669d16075026ff98a13f96a1484b320a2dda1684efbc05
diff --git a/tzclock.spec b/tzclock.spec
index 1cf40d8..622b0a2 100644
--- a/tzclock.spec
+++ b/tzclock.spec
@@ -1,19 +1,17 @@
 Name:		tzclock
-Version:	4.9
-Release:	1%{?dist}
+Version:	3.1.7
+Release:	17%{?dist}
 Summary:	GTK+ graphical Clock displaying the time around the world
 
 # SPDX confirmed
 License:	GPL-2.0-only
 URL:		https://theknight.co.uk/
-Source0:	http://theknight.co.uk/releases/Source/%{name}-%{version}.tar.bz2
+Source0:	http://www.tzclock.org/releases/source/%{name}-%{version}.tar.bz2
 
-BuildRequires:	make
-BuildRequires: 	gcc
+BuildRequires: make
+BuildRequires:  gcc
 BuildRequires:	pkgconfig(gtk+-3.0)
 BuildRequires:	pkgconfig(libnotify)
-BuildRequires:	pkgconfig(dial)
-BuildRequires:	/usr/bin/appstream-util
 BuildRequires:	desktop-file-utils
 
 %description
@@ -32,15 +30,17 @@ sed -i.suffix \
 
 %build
 %configure
-%make_build -k
 %{__make} %{?_smp_mflags}
 
 %install
-%make_install
+%{__make} install \
+	INSTALL="%{__install} -p" \
+	DESTDIR=%{buildroot}
 
-%check
-desktop-file-validate %{buildroot}%{_datadir}/applications/%{name}.desktop
-appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.metainfo.xml
+desktop-file-install \
+	--dir %{buildroot}%{_datadir}/applications \
+	--delete-original \
+	%{buildroot}%{_datadir}/applications/tzclock.desktop
 
 %files
 %defattr(-,root,root,-)
@@ -48,22 +48,13 @@ appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.metainfo.xml
 %license	COPYING
 
 %{_bindir}/*
-%{_metainfodir}/*.metainfo.xml
+%{_datadir}/appdata/%{name}.appdata.xml
 %{_datadir}/icons/hicolor/*/*/tzclock*
-%{_datadir}/applications/%{name}.desktop
+%{_datadir}/applications/*desktop
 
-%{_mandir}/man1/%{name}.1*
+%{_mandir}/man1/*
 
 %changelog
-* Thu Aug 20 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.9-1
-- 4.9
-
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-19
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-18
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
-
 * Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-17
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild