diff --git a/sources b/sources
index 6289517..f22f87c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-60fb79cab777e3f71ca43d298adacbd5  xz-5.2.3.tar.xz
+SHA512 (xz-5.2.3.tar.xz) = a5b8f3c402ec3df5c1875a32081136606dd7701190d8b8091bae1bac36553ebe3480985c8069bf5d9e24f374ea64b1fe22614d3eebac1c10e5d609701bceca95
diff --git a/xz.spec b/xz.spec
index ecd82e6..1f5e7ed 100644
--- a/xz.spec
+++ b/xz.spec
@@ -4,13 +4,12 @@
 Summary:	LZMA compression utilities
 Name:		xz
 Version:	5.2.3
-Release:	4%{?dist}
+Release:	7%{?dist}
 
 # Scripts xz{grep,diff,less,more} and symlinks (copied from gzip) are
 # GPLv2+, binaries are Public Domain (linked against LGPL getopt_long but its
 # OK), documentation is Public Domain.
 License:	GPLv2+ and Public Domain
-Group:		Applications/File
 # official upstream release
 Source0:	http://tukaani.org/%{name}/%{name}-%{version}.tar.xz
 
@@ -40,7 +39,6 @@ decompression speed fast.
 
 %package 	libs
 Summary:	Libraries for decoding LZMA compression
-Group:		System Environment/Libraries
 License:	Public Domain
 Obsoletes:	%{name}-compat-libs < %{version}-%{release}
 
@@ -49,7 +47,6 @@ Libraries for decoding files compressed with LZMA or XZ utils.
 
 %package 	static
 Summary:	Statically linked library for decoding LZMA compression
-Group:		System Environment/Libraries
 License:	Public Domain
 
 %description 	static
@@ -58,17 +55,14 @@ XZ utils.  Most users should *not* install this.
 
 %package 	devel
 Summary:	Devel libraries & headers for liblzma
-Group:		Development/Libraries
 License:	Public Domain
 Requires:	%{name}-libs%{?_isa} = %{version}-%{release}
-Requires:	pkgconfig
 
 %description	devel
 Devel libraries and headers for liblzma.
 
 %package 	lzma-compat
 Summary:	Older LZMA format compatibility binaries
-Group:		Development/Libraries
 # Just a set of symlinks to 'xz' + two Public Domain binaries.
 License:	Public Domain
 Requires:	%{name}%{?_isa} = %{version}-%{release}
@@ -80,7 +74,7 @@ The lzma-compat package contains compatibility links for older
 commands that deal with the older LZMA format.
 
 %prep
-%setup -q
+%autosetup
 
 for i in `find . -name config.sub`; do
   perl -pi -e "s/ppc64-\*/ppc64-\* \| ppc64p7-\*/" $i
@@ -96,10 +90,10 @@ export CFLAGS
 %configure
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-make %{?_smp_mflags}
+%make_build
 
 %install
-make install DESTDIR=%{buildroot}
+%make_install
 rm -f %{buildroot}%{_libdir}/*.la
 
 # xzgrep colorization
@@ -113,9 +107,7 @@ install -p -m 644 %{SOURCE101} %{buildroot}%{profiledir}
 %check
 LD_LIBRARY_PATH=$PWD/src/liblzma/.libs make check
 
-%post libs -p /sbin/ldconfig
-
-%postun libs -p /sbin/ldconfig
+%ldconfig_scriptlets libs
 
 %files -f %{name}.lang
 %license %{_pkgdocdir}/COPYING*
@@ -146,6 +138,15 @@ LD_LIBRARY_PATH=$PWD/src/liblzma/.libs make check
 %{_mandir}/man1/*lz*
 
 %changelog
+* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.3-7
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
+* Fri Feb 02 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 5.2.3-6
+- Switch to %%ldconfig_scriptlets
+
+* Wed Sep 13 2017 Vasiliy N. Glazov <vascom2@gmail.com> - 5.2.3.-5
+- Cleanup spec
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 5.2.3-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild