diff --git a/sources b/sources
index f07dc6f..eb80c7a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (yash-2.61.tar.gz) = 80362496a11b79dad0de13b75a9083397d684758cdf744622b94f34f7dd6e0db685c8786f74efb52dddcf9ad6d7ad50017b7940fb10f368a4c7f433ff5182d39
+SHA512 (yash-2.56.1.tar.gz) = de3f9f926972e6f48337900fa77deab1a6129c1a11003fe172a64ef8bc1873fdeb3b3e4a5a07890f174e497ac8cafba9882696eb52a6d3c8b3fa2113dc28a12e
diff --git a/yash.spec b/yash.spec
index 605496b..1d32de2 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		2.56.1
 %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} \
@@ -134,39 +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
-
-* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2.56.1-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
 * Thu Mar 21 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.56.1-1
 - 2.56.1