diff --git a/sources b/sources
index f07dc6f..9f33577 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (yash-2.61.tar.gz) = 80362496a11b79dad0de13b75a9083397d684758cdf744622b94f34f7dd6e0db685c8786f74efb52dddcf9ad6d7ad50017b7940fb10f368a4c7f433ff5182d39
+SHA512 (yash-2.57.tar.gz) = 06cde5ae0d3dfc79f6753589ce20593b9fb90ba5b2c58ec86f2b1c8f7abf8d5345813b97be7176f63371d3adc85bf5fa29d499ccbf356f628a793be749865ba5
diff --git a/yash.spec b/yash.spec
index 605496b..551c56f 100644
--- a/yash.spec
+++ b/yash.spec
@@ -2,12 +2,12 @@
 # Upstream is currently using SVN
 # SVN path: http://svn.sourceforge.jp/svnroot/yash/yash/trunk
 
-%global		mainver		2.61
+%global		mainver		2.57
 %global		docver		%{mainver}
 
 %global		yashdocdir		%{_datadir}/doc/%{name}-doc
 
-%global		baserelease	2
+%global		baserelease	1
 %undefine		minorver
 %undefine       _changelog_trimtime
 
@@ -69,7 +69,11 @@ This package contains document files for %{name}.
 %build
 # This package use configure not based on autotools...
 # won't accept --libdir=
-./configure \
+env \
+	CC="%{__cc}" \
+	CFLAGS="%{optflags}" \
+	\
+	./configure \
 	--prefix=%{_prefix} \
 	--exec-prefix=%{_exec_prefix} \
 	--bindir=%{_bindir} \
@@ -134,33 +138,6 @@ exit 0
 %lang(ja)	%{yashdocdir}/ja/
 
 %changelog
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 2.61-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Thu Mar 05 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.61-1
-- 2.61
-
-* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 2.60-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
-
-* Wed Sep 17 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.60-1
-- 2.60
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2.59-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Thu May 15 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.59-1
-- 2.59
-
-* Tue Feb 04 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.58.1-1
-- 2.58.1
-
-* Mon Feb 03 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.58-2
-- 2.58
-
-* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2.57-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
 * Tue Aug 06 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.57-1
 - 2.57