diff --git a/.gitignore b/.gitignore
index cccae29..bedb942 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1 @@
-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
+/tzclock-*.tar.bz2
diff --git a/sources b/sources
index f03566c..8d86c99 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (tzclock-3.1.7.tar.bz2) = b9d382c8c091d48b4bf67a4673eb910c5350593ac6e1c76949f75422c88ca1f78969f5c98937e0a1be669d16075026ff98a13f96a1484b320a2dda1684efbc05
+SHA512 (tzclock-4.9.tar.bz2) = 846793d9fe9eaeb82caea2086faea14d072f1800b2953852a585e76dff195d8340659b4ffc04c5f9a1d93d3fc19a00592b2d217b0eed014c24465b603b9b7e74
diff --git a/tzclock.spec b/tzclock.spec
index 9e0c8b9..1cf40d8 100644
--- a/tzclock.spec
+++ b/tzclock.spec
@@ -1,16 +1,19 @@
 Name:		tzclock
-Version:	3.1.7
-Release:	9%{?dist}
+Version:	4.9
+Release:	1%{?dist}
 Summary:	GTK+ graphical Clock displaying the time around the world
 
-License:	GPLv2
+# SPDX confirmed
+License:	GPL-2.0-only
 URL:		https://theknight.co.uk/
-Source0:	http://www.tzclock.org/releases/source/%{name}-%{version}.tar.bz2
+Source0:	http://theknight.co.uk/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
@@ -29,38 +32,62 @@ sed -i.suffix \
 
 %build
 %configure
+%make_build -k
 %{__make} %{?_smp_mflags}
 
 %install
-%{__make} install \
-	INSTALL="%{__install} -p" \
-	DESTDIR=%{buildroot}
+%make_install
 
-desktop-file-install \
-	--dir %{buildroot}%{_datadir}/applications \
-	--delete-original \
-	%{buildroot}%{_datadir}/applications/tzclock.desktop
-
-# Backward compatibility
-%if 0%{?fedora} < 28
-ln -sf tzclock %{buildroot}%{_bindir}/TzClock
-ln -sf tzclock.1.gz %{buildroot}%{_mandir}/man1/TzClock.1.gz
-mv %{buildroot}%{_datadir}/applications/{tzclock,TzClock}.desktop
-%endif
+%check
+desktop-file-validate %{buildroot}%{_datadir}/applications/%{name}.desktop
+appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.metainfo.xml
 
 %files
 %defattr(-,root,root,-)
 %doc	AUTHORS
-%doc	COPYING
+%license	COPYING
 
 %{_bindir}/*
-%{_datadir}/appdata/%{name}.appdata.xml
+%{_metainfodir}/*.metainfo.xml
 %{_datadir}/icons/hicolor/*/*/tzclock*
-%{_datadir}/applications/*desktop
+%{_datadir}/applications/%{name}.desktop
 
-%{_mandir}/man1/*
+%{_mandir}/man1/%{name}.1*
 
 %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
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-16
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-15
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-14
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Sat Dec 30 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.1.7-13
+- SPDX migration
+
+* Sat Jul 22 2023 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.1.7-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-11
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-10
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
 * Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 3.1.7-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild