diff --git a/ncompress.spec b/ncompress.spec
index b6ce7e8..c7cff43 100644
--- a/ncompress.spec
+++ b/ncompress.spec
@@ -1,41 +1,10 @@
 Summary: Fast compression and decompression utilities
 Name: ncompress
-Version: 4.2.4.4
-Release: 21%{?dist}
+Version: 5.0
+Release: 1%{?dist}
 License: Public Domain
-URL:    http://ncompress.sourceforge.net/
-Source: http://prdownloads.sourceforge.net/sourceforge/%{name}/%{name}-%{version}.tar.gz
-
-# allow to build ncompress
-# ~> downstream
-Patch0: ncompress-4.2.4.4-make.patch
-
-# from dist-git commit 0539779d937
-# (praiskup: removed redundant part as -DNOFUNCDEF is defined)
-# ~> downstream
-Patch1: ncompress-4.2.4.4-lfs.patch
-
-# exit when too long filename is given (do not segfault)
-# ~> #unknown
-# ~> downstream
-Patch2: ncompress-4.2.4.4-filenamelen.patch
-
-# permit files > 2GB to be compressed
-# ~> #126775
-Patch3: ncompress-4.2.4.4-2GB.patch
-
-# do not fail to compress on ppc/s390x
-# ~> #207001
-Patch4: ncompress-4.2.4.4-endians.patch
-
-# use memmove instead of memcpy
-# ~> 760657
-# ~> downstream
-Patch5: ncompress-4.2.4.4-memmove.patch
-
-# silence gcc warnings
-# ~> downstream
-Patch6: ncompress-4.2.4.4-silence-gcc.patch
+URL: https://github.com/vapier/%{name}
+Source: https://github.com/vapier/%{name}/archive/refs/tags/v%{version}.tar.gz
 
 BuildRequires: make
 BuildRequires: gcc
@@ -53,29 +22,7 @@ which are compatible with the original UNIX compress utility.
 
 
 %prep
-%setup -q
-
-# configure build system
-# ~> downstream
-%patch0 -p1 -b .configure-buildsystem
-
-%ifarch sparc m68k armv4l ppc s390 s390x ppc64 sparc64
-ARCH_FLAGS="$ARCH_FLAGS -DBYTEORDER=1234"
-%endif
-
-%ifarch alpha ia64
-ARCH_FLAGS="$ARCH_FLAGS -DNOALLIGN=0"
-%endif
-
-sed "s/\$(ARCH_FLAGS)/$ARCH_FLAGS/" Makefile.def > Makefile
-
-%patch1 -p1 -b .lfs
-%patch2 -p1 -b .filenamelen
-%patch3 -p1 -b .2GB
-%patch4 -p1 -b .endians
-%patch5 -p1 -b .memmove
-%patch6 -p1 -b .silence-gcc
-
+%autosetup -n %{name}-%{version}
 
 %build
 make CFLAGS="%{optflags} %{?nc_endian} %{?nc_align} %{build_ldflags}"
@@ -94,10 +41,16 @@ ln -sf compress.1 $RPM_BUILD_ROOT%{_mandir}/man1/uncompress.1
 %{_bindir}/compress
 %{_bindir}/uncompress
 %{_mandir}/man1/*
-%doc LZW.INFO README
+%doc LZW.INFO README.md
 
 
 %changelog
+* Wed May 18 2022 Ondrej Sloup <osloup@redhat.com> - 5.0-1
+- Use autosetup
+- Change source links
+- Remove patch files
+- Rebase to the latest upstream version (rhbz#1924029)
+
 * Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.4.4-21
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild