diff --git a/ochusha.spec b/ochusha.spec
index deb1d4f..91b22fd 100644
--- a/ochusha.spec
+++ b/ochusha.spec
@@ -12,11 +12,7 @@
 
 %define		with_system_ca_cert_file	1
 %define		with_external_onig		1
-%if 0%{?fedora} >= 42
-%define		system_ca_cert_file		%{_sysconfdir}/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
-%else
 %define		system_ca_cert_file		%{_sysconfdir}/pki/tls/cert.pem
-%endif
 %define		help_url			file://%{?_pkgdocdir}%{!?_pkgdocdir:%{_docdir}/%{name}-%{version}}/doc/index.html
 
 %define		main_ver	0.6.0.1
@@ -25,19 +21,19 @@
 %define		strtag		cvs%{codate}T%{cotime_JST}
 %define		repoid		36733
 
-%define		baserelease	21
+%define		vendor_rel	15
 %define		pre_release	1
 
 %if %{pre_release}
-%define		rel		0.%{baserelease}.%{strtag}%{?dist}
+%define		rel		0.%{vendor_rel}.%{strtag}%{?dist}
 %else
-%define		rel		%{baserelease}%{?dist}
+%define		rel		%{vendor_rel}%{?dist}
 %endif
 
 Summary:	A GTK+ 2ch.net BBS Browser
 Name:		ochusha
 Version:	%{main_ver}
-Release:	%{rel}
+Release:	%{rel}.5
 URL:		http://ochusha.sourceforge.jp/
 %if %{pre_release}
 Source:		%{name}-%{main_ver}-%{strtag}.tar.bz2
@@ -48,18 +44,10 @@ Source10:	ochusha-prefs-gtkrc
 Source11:	ochusha.sh
 Patch0:		ochusha-D20100214-gtk-deprecated.patch
 Patch1:		ochusha-D20100817-format-string.patch
-# COPYING	BSD-2-Clause
-# intl/	LGPL-2.1-or-later (unused)
-# libochusha/sigslot.h	public domain (need review)
-# libochushagtk_lgpl/	LGPL-2.1-or-later
-
-# Automatically converted from old format: BSD - review is highly recommended.
-License:	LicenseRef-Callaway-BSD
+License:	BSD
 
 Requires:	mona-fonts-VLGothic
-%if 0%{?fedora} < 41
 Requires:	%{system_ca_cert_file}
-%endif
 Requires:	xdg-utils
 
 BuildRequires: make
@@ -89,7 +77,7 @@ images that helps users to interact with BBSs.
 %setup -q
 %endif
 #%%patch0 -p0 -b .gtk
-%patch -P1 -p1 -b .format
+%patch1 -p1 -b .format
 
 # Icon path fix
 %{__sed} -i -e 's|Icon.*$|Icon=ochusha48|' ochusha/ochusha.desktop.in
@@ -235,31 +223,6 @@ change_encoding \
 %{_datadir}/icons/hicolor/48x48/apps/*.png
 
 %changelog
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.21.cvs20100817T0000
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.20.cvs20100817T0000
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Tue Sep 24 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.6.0.1-0.19.cvs20100817T0000
-- Update system ca cert file for F42
-- Remove explicit file Requires per new package guidelines
-
-* Mon Sep 02 2024 Miroslav Suchý <msuchy@redhat.com> - 0.6.0.1-0.18.cvs20100817T0000
-- convert license to SPDX
-
-* Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.17.cvs20100817T0000
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
-* Fri May 31 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.6.0.1-0.16.cvs20100817T0000
-- Rebuild for %%patch macro usage update
-
-* Thu Jan 25 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.15.cvs20100817T0000.7
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
-* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.15.cvs20100817T0000.6
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
 * Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.0.1-0.15.cvs20100817T0000.5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild