diff --git a/rubygem-gio2.spec b/rubygem-gio2.spec
index 322ef6d..a691445 100644
--- a/rubygem-gio2.spec
+++ b/rubygem-gio2.spec
@@ -9,8 +9,8 @@
 
 Summary:	Ruby binding of gio-2.0.x
 Name:		rubygem-%{gem_name}
-Version:	4.3.4
-Release:	2%{?dist}
+Version:	4.2.5
+Release:	1%{?dist}
 # SPDX confirmed
 # LGPL-2.1-or-later: gemspec
 License:	LGPL-2.1-or-later
@@ -30,7 +30,6 @@ BuildRequires:	rubygem-gobject-introspection-devel >= %{glibminver}
 BuildRequires:	ruby-devel
 # For Patch0:
 #BuildRequires:	rubygem(rake-compiler)
-BuildRequires:	rubygem(fiddle)
 BuildRequires:	rubygem(test-unit)
 BuildRequires:	rubygem(test-unit-notify)
 BuildRequires:	rubygem(rake)
@@ -73,12 +72,7 @@ rubygem-%{gem_name}
 mv ../%{gem_name}-%{version}.gemspec .
 
 # Allow ruby-gnome2 no less than ones
-sed -i -e 's|= 4\.3\.4|>= 4.3.4|' %{gem_name}-%{version}.gemspec
-
-# Remove unneeded rake runtime dependency
-sed -i %{gem_name}-%{version}.gemspec \
-	-e '\@add_runtime_dependency.*rake@d'
-
+sed -i -e 's|= 4\.2\.5|>= 4.2.5|' %{gem_name}-%{version}.gemspec
 # fiddle is in default gem
 sed -i -e '\@dependency.*fiddle@d' %{gem_name}-%{version}.gemspec
 
@@ -183,45 +177,6 @@ popd
 %exclude	%{gem_instdir}/test/
 
 %changelog
-* Thu Jan 08 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.4-2
-- Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_4.0
-
-* Sat Dec 06 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.4-1
-- 4.3.4
-
-* Sun Oct 26 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.3-2
-- Add fiddle for BR for ruby3_5
-
-* Mon Aug 18 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.3-1
-- 4.3.3
-
-* Sat Aug 16 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.2-1
-- 4.3.2
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 4.3.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Tue Jul 15 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.3.0-1
-- 4.3.0
-
-* Sat Mar 22 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.9-1
-- 4.2.9
-
-* Thu Mar 20 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.8-1
-- 4.2.8
-
-* Thu Jan 30 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.7-1
-- 4.2.7
-
-* Sun Jan 26 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.6-1
-- 4.2.6
-
-* Sat Jan 18 2025 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.5-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Tue Jan 07 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.5-2
-- Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4
-
 * Sun Dec 15 2024 Mamoru TASAKA <mtasaka@fedoraproject.org> - 4.2.5-1
 - 4.2.5
 
diff --git a/sources b/sources
index ed10028..28e32d1 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (gio2-4.3.4.gem) = 65851ee4b5e161b9af7b3f00d8599d88e6f58ecdd85f7440534cf308ae040914108db0291cfcf36bc7443514891c96dfa86bab264ba7b3cfa8ed29593166f09f
-SHA512 (gio2-4.3.4-test-missing-files.tar.gz) = bb06332232c8f2389e5bdb99c5a4b4da241c7d2ef851b1e4e5a491f3552b230adc1429d6d90574e6275c3103f7fab8c11a63be4ec9ff36302ba0dbbbd8cc1985
+SHA512 (gio2-4.2.5.gem) = 0d745d57965af46a48d2207722e5b88e87affc7b7fac95319a5c2cac55e83a66d0a2e1ee23ec26b1d269db07c22df3dc6ad97850c33bdb198be26586316c2209
+SHA512 (gio2-4.2.5-test-missing-files.tar.gz) = 9583ab9c9746aa522a5d4aa0dcbd8f5fda7c7faf7648d0df332559118452b94a2c61c3c513a0de29d2252cb44b144587226d5cb01891a5031eda0e560693ab9b