diff --git a/rubygem-racc.spec b/rubygem-racc.spec
index d88a58c..bdf3fa6 100644
--- a/rubygem-racc.spec
+++ b/rubygem-racc.spec
@@ -1,8 +1,8 @@
 %global	gem_name	racc
 
 Name:		rubygem-%{gem_name}
-Version:	1.8.1
-Release:	104%{?dist}
+Version:	1.7.3
+Release:	202%{?dist}
 
 Summary:	LALR(1) parser generator
 # SPDX confirmed
@@ -41,6 +41,21 @@ mv ../%{gem_name}-%{version}.gemspec .
 # Fix shebang
 grep -rl /usr/local . | xargs -r sed -i -e 's|/usr/local|/usr|'
 
+# Encoding
+pushd %{gem_name}-%{version}
+for f in \
+	sample/calc-ja.y \
+	#web/racc.ja.rhtml \
+	%{nil}
+do
+	touch -r $f $f.stamp
+	iconv -f EUC-JP -t UTF-8 $f > $f.tmp
+	mv $f.tmp $f
+	touch -r $f.stamp $f
+	rm -f $f.stamp
+done
+popd
+
 %build
 gem build %{gem_name}-%{version}.gemspec
 %gem_install
@@ -87,7 +102,6 @@ popd
 %files
 %dir	%{gem_instdir}
 
-%license	%{gem_instdir}/BSDL
 %license	%{gem_instdir}/COPYING
 %doc	%lang(ja)	%{gem_instdir}/README.ja.rdoc
 %doc	%{gem_instdir}/README.rdoc
@@ -108,27 +122,6 @@ popd
 %doc	%{gem_instdir}/sample
 
 %changelog
-* Thu Jan 08 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.1-104
-- Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_4.0
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.1-103
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Sat Jan 18 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.1-102
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Tue Jan 07 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.1-101
-- Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4
-
-* Wed Jul 31 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.1-100
-- 1.8.1
-
-* Fri Jul 19 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.0-101
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
-* Tue May 21 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.8.0-100
-- 1.8.0
-
 * Fri Jan 26 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.3-202
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
 
diff --git a/sources b/sources
index 6b9b68d..e047b2d 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (racc-1.8.1.gem) = 209b91d9c3c5abfcc16da438d2777466c2112b95e2319a6cdcfc9e74577180d02ee4ab3f7dcb2e196ace05487a0d6bfb6531973dcd453e068a97ada2ab832e0f
-SHA512 (rubygem-racc-1.8.1-missing-files.tar.gz) = ba76e15f608813c195c662ee2a0306fca71363ef1b173cc04c75f61d13cafe82f8aaf22590ec407952d21a23e8633827b0e52792bc41e28953d1e343cae1826b
+SHA512 (racc-1.7.3.gem) = f0767fe71f96401a09e6d3a6fba91232f9fea32364c0a691aa7ad997cc857a09b8e921f4c01caee38f3b4443c90c052fcbe896dff966e9e64886c206cfddb8b0
+SHA512 (rubygem-racc-1.7.3-missing-files.tar.gz) = 6713b3c4a6da6813540bed3fa4ffd2ee38184182dff1ef95108d710c1f70fc585d68bf0bdc9108c6223d8a5ebeb468e415f54803f24fe830cdc8bee1c6867ea0