diff --git a/.gitignore b/.gitignore
index 1527c7a..fd438c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,10 +20,3 @@ lzma465.tar.bz2
 /upx-4.2.2-src.tar.xz
 /upx-4.2.3-src.tar.xz
 /upx-4.2.4-src.tar.xz
-/upx-5.0.0-src.tar.xz
-/upx-5.0.1-src.tar.xz
-/upx-5.0.2-src.tar.xz
-/upx-5.1.0-src.tar.xz
-/upx-5.1.1-src.tar.xz
-/upx-5.2.0-src.tar.xz
-/upx-5.2.1-src.tar.xz
diff --git a/sources b/sources
index dd2477c..1070263 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (upx-5.2.1-src.tar.xz) = 38fa0aa9940d9518df5bf07725ed65391d1a965cac4feace190819e7bd8125e4ed23a3795cf0fb7d4df09fbca66158265ae5774a3c48f5b55e3905fc7b962bc4
+SHA512 (upx-4.2.4-src.tar.xz) = fc833dea010cb65a9a7b6fbf80021c98d8c112b55fa54101f3d39f09d049d75d89024206a28262996c08f253130917811736f7f546fa8743703bc86a2dbd33a5
diff --git a/upx.spec b/upx.spec
index e444b9c..6d4e37b 100644
--- a/upx.spec
+++ b/upx.spec
@@ -1,9 +1,9 @@
 Name:           upx
-Version:        5.2.1
+Version:        4.2.4
 Release:        1%{?dist}
 Summary:        Ultimate Packer for eXecutables
 
-License:        GPL-2.0-or-later AND LicenseRef-Fedora-Public-Domain
+License:        GPL-2.0-or-later AND Public Domain
 URL:            https://github.com/upx/upx
 Source0:        %{url}/releases/download/v%{version}/%{name}-%{version}-src.tar.xz
 
@@ -13,7 +13,6 @@ BuildRequires:  cmake
 BuildRequires:  ucl-devel >= 1.01
 BuildRequires:  zlib-devel
 BuildRequires:  perl-podlators
-Provides:       bundled(lzma-sdk) = 4.43
 
 %description
 UPX is a free, portable, extendable, high-performance executable
@@ -44,45 +43,6 @@ rm -f %{buildroot}%{_datadir}/doc/upx/*
 
 
 %changelog
-* Thu Aug 27 2026 Gwyn Ciesla <gwync@protonmail.com> - 5.2.1-1
-- 5.2.1
-
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Thu Jun 11 2026 Gwyn Ciesla <gwync@protonmail.com> - 5.2.0-1
-- 5.2.0
-
-* Thu Mar 05 2026 Gwyn Ciesla <gwync@protonmail.com> - 5.1.1-1
-- 5.1.1
-
-* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 5.1.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
-
-* Wed Jan 07 2026 Gwyn Ciesla <gwync@protonmail.com> - 5.1.0-1
-- 5.1.0
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 5.0.2-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Mon Jul 21 2025 Gwyn Ciesla <gwync@protonmail.com> - 5.0.2-1
-- 5.0.2
-
-* Tue May 06 2025 Gwyn Ciesla <gwync@protonmail.com> - 5.0.1-1
-- 5.0.1
-
-* Thu Feb 20 2025 Gwyn Ciesla <gwync@protonmail.com> - 5.0.0-1
-- 5.0.0
-
-* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.4-4
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
-* Wed Dec 18 2024 Gwyn Ciesla <gwync@protonmail.com> - 4.2.4-3
-- Provide bundled lzma-sdk
-
-* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.4-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
 * Tue May 21 2024 Gwyn Ciesla <gwync@protonmail.com> - 4.2.4-1
 - 4.2.4