diff --git a/.gitignore b/.gitignore
index 798a575..c6a276a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,4 @@ icecream-manpages.tar.bz2
 /icecream-1.2.tar.gz
 /icecream-1.3.tar.gz
 /icecream-1.4rc1.tar.gz
+/icecream-1.4.tar.gz
diff --git a/icecream-tmpfiles.conf b/icecream-tmpfiles.conf
deleted file mode 100644
index 7f7ef39..0000000
--- a/icecream-tmpfiles.conf
+++ /dev/null
@@ -1 +0,0 @@
-d /run/icecc 0775 root icecc -
diff --git a/icecream.spec b/icecream.spec
index 0b3bc49..9cae838 100644
--- a/icecream.spec
+++ b/icecream.spec
@@ -1,35 +1,13 @@
-%global _hardened_build 1
 %bcond_without selinux
 
-%global preversion rc1
-
 Name:     icecream
 Version:  1.4
-Release:  %autorelease -p -e %{preversion}
+Release:  %autorelease
 Summary:  Distributed compiler
-# Automatically converted from old format: GPLv2+ - review is highly recommended.
 License:  GPL-2.0-or-later
 URL:      https://github.com/icecc/icecream
-Source0:  https://github.com/icecc/%{name}/archive/%{version}%{preversion}.tar.gz#/%{name}-%{version}%{preversion}.tar.gz
-Source1:  fedora-sysconfig.icecream
-Source2:  icecream.module.in
-Source3:  icecream.fc
-Source4:  icecream.te
-Source5:  icecream.if
-Source6:  iceccd.service
-Source7:  icecc-scheduler.service
-Source9:  iceccd-wrapper
-Source10: icecc-scheduler-wrapper
-Source11: icecream-tmpfiles.conf
-Source12: icecream.xml
-Source13: icecream-scheduler.xml
-Patch1:   0001-Revert-chmod-chown-envs-dir-when-preparing-this.patch
-Patch2:   0002-daemon-main-do-not-create-run-icecc-by-ourselves.patch
-Patch3:   0003-Ignore-the-suse-directory.patch
-Patch4:   0004-do-not-use-usr-bin-env.patch
-
 BuildRequires: gcc-c++
-BuildRequires: systemd
+BuildRequires: systemd systemd-rpm-macros
 BuildRequires: libcap-ng-devel
 BuildRequires: lzo-devel libzstd-devel libarchive-devel
 BuildRequires: docbook2X
@@ -39,11 +17,10 @@ BuildRequires: autoconf automake libtool
 
 Requires:         firewalld-filesystem
 Requires:         environment(modules)
-Requires(pre):    shadow-utils
 Requires(post):   systemd
 Requires(preun):  systemd
 Requires(postun): systemd
-Requires(post):   findutils
+%{?sysusers_requires_compat}
 
 %if %{with selinux}
 # For SELinux protection:
@@ -60,6 +37,27 @@ Requires:         selinux-policy >= %{selinux_policyver}
 %define selinux_variants mls strict targeted 
 %endif
 
+%sourcelist
+https://github.com/icecc/icecream/archive/refs/tags/%{version}.tar.gz#/%{name}-%{version}.tar.gz
+fedora-sysconfig.icecream
+icecream.module.in
+icecream.fc
+icecream.te
+icecream.if
+iceccd.service
+icecc-scheduler.service
+iceccd-wrapper
+icecc-scheduler-wrapper
+icecream.tmpfiles.conf
+icecream.xml
+icecream-scheduler.xml
+icecream.sysusers.conf
+
+%patchlist
+0001-Revert-chmod-chown-envs-dir-when-preparing-this.patch
+0002-daemon-main-do-not-create-run-icecc-by-ourselves.patch
+0003-Ignore-the-suse-directory.patch
+0004-do-not-use-usr-bin-env.patch
 
 # description copied from Debian icecc package
 %description
@@ -83,12 +81,14 @@ Requires: libarchive-devel%{?_isa}
 This package contains development files for %{name}.
 
 %prep
-%autosetup -p1 -n %{name}-%{version}%{preversion}
+%autosetup -p1 -n %{name}-%{version}
 
 mkdir SELinux
-cp -p %{SOURCE3} %{SOURCE4} %{SOURCE5} SELinux
+cp -p %{_sourcedir}/icecream.{fc,te,if} SELinux
 mkdir fedora
-cp -p %{SOURCE6} %{SOURCE7} %{SOURCE9} %{SOURCE10} %{SOURCE11} fedora
+cp -p %{_sourcedir}/{iceccd,icecc-scheduler}.service fedora
+cp -p %{_sourcedir}/{iceccd,icecc-scheduler}-wrapper fedora
+cp -p %{_sourcedir}/icecream.{tmpfiles,sysusers}.conf fedora
 
 %build
 ./autogen.sh
@@ -126,13 +126,13 @@ install -d -m 755 %{buildroot}/%{_unitdir}
 install -p -m 644 fedora/*.service              %{buildroot}/%{_unitdir}
 install -p -m 755 fedora/*-wrapper              %{buildroot}/%{_libexecdir}/icecc
 mkdir -p %{buildroot}%{_tmpfilesdir}
-install -p -m 644 fedora/icecream-tmpfiles.conf %{buildroot}/%{_tmpfilesdir}/icecream.conf
+install -p -m 644 fedora/icecream.tmpfiles.conf %{buildroot}/%{_tmpfilesdir}/icecream.conf
 install -d -m 755 %{buildroot}/%{_sysconfdir}/profile.d
 
-install -m644 -p -D %{SOURCE12} %{buildroot}%{_prefix}/lib/firewalld/services/icecream.xml
-install -m644 -p -D %{SOURCE13} %{buildroot}%{_prefix}/lib/firewalld/services/icecream-scheduler.xml
+install -m644 -p -D %{_sourcedir}/icecream.xml %{buildroot}%{_prefix}/lib/firewalld/services/icecream.xml
+install -m644 -p -D %{_sourcedir}/icecream-scheduler.xml %{buildroot}%{_prefix}/lib/firewalld/services/icecream-scheduler.xml
 
-install -D -m 644 %{SOURCE1} %{buildroot}/%{_sysconfdir}/sysconfig/icecream
+install -D -m 644 %{_sourcedir}/fedora-sysconfig.icecream %{buildroot}/%{_sysconfdir}/sysconfig/icecream
 
 # create default working dir
 mkdir -p %{buildroot}/%{_localstatedir}/cache/icecream
@@ -141,7 +141,7 @@ mkdir -p %{buildroot}/run/icecc/
 
 # Make the environment-modules file
 mkdir -p %{buildroot}%{_modulesdir}/icecream
-sed  's#@LIBEXECDIR@#%{_libexecdir}#' < %{SOURCE2} > %{buildroot}%{_modulesdir}/icecream/icecc
+sed  's#@LIBEXECDIR@#%{_libexecdir}#' < %{_sourcedir}/icecream.module.in > %{buildroot}%{_modulesdir}/icecream/icecc
 
 %if %{with selinux}
 for selinuxvariant in %{selinux_variants}; do
@@ -164,29 +164,26 @@ if [ -s /etc/selinux/config ]; then \
 fi;
 
 %define relabel() \
-. %{_sysconfdir}/selinux/config; \
-FILE_CONTEXT=%{_sysconfdir}/selinux/%1/contexts/files/file_contexts; \
-selinuxenabled; \
-if [ $? == 0  -a "${SELINUXTYPE}" == %1 -a -f ${FILE_CONTEXT}.%{name} ]; then \
-	fixfiles -C ${FILE_CONTEXT}.%{name} restore; \
-	rm -f ${FILE_CONTEXT}.%name; \
+if [ -s /etc/selinux/config ]; then \
+	. %{_sysconfdir}/selinux/config; \
+	FILE_CONTEXT=%{_sysconfdir}/selinux/%1/contexts/files/file_contexts; \
+	selinuxenabled; \
+	if [ $? == 0  -a "${SELINUXTYPE}" == %1 -a -f ${FILE_CONTEXT}.%{name} ]; then \
+		fixfiles -C ${FILE_CONTEXT}.%{name} restore; \
+		rm -f ${FILE_CONTEXT}.%name; \
+	fi \
 fi;
 
+install -m0644 -D fedora/icecream.sysusers.conf %{buildroot}%{_sysusersdir}/icecream.conf
+
 %pre
+%sysusers_create_compat %{_sourcedir}/icecream.sysusers.conf
 %if %{with selinux}
 for selinuxvariant in %{selinux_variants}; do
 	%saveFileContext ${selinuxvariant}
 done
 %endif
-
-getent group icecc >/dev/null || groupadd -r icecc
-getent passwd icecc >/dev/null || \
-	useradd -r -g icecc -d %{_localstatedir}/cache/icecream \
-	-s /sbin/nologin -c "Icecream distributed compiler" icecc
-exit 0
-
 %post
-/sbin/ldconfig
 %if %{with selinux}
 for selinuxvariant in %{selinux_variants}; do
 	semodule -s ${selinuxvariant} -i \
@@ -211,8 +208,6 @@ restorecon -R %{_localstatedir}/cache/icecream /run/icecc 2>/dev/null
 %firewalld_reload
 %systemd_post iceccd.service icecc-scheduler.service
 
-# Remove files owned by the user 'icecream' (used by older versions).
-find %{_localstatedir}/cache/icecream/ -user icecream -delete 2>/dev/null
 exit 0
 
 %preun
@@ -232,7 +227,6 @@ fi
 exit 0
 
 %postun
-/sbin/ldconfig
 %systemd_postun_with_restart iceccd.service icecc-scheduler.service
 %if %{with selinux}
 if [ $1 -eq 0 ]; then # Final removal
@@ -265,6 +259,7 @@ exit 0
 %{?with_selinux:%{_datadir}/selinux/*/icecream.pp}
 %{_prefix}/lib/firewalld/services/icecream.xml
 %{_prefix}/lib/firewalld/services/icecream-scheduler.xml
+%{_sysusersdir}/icecream.conf
 
 %files devel
 %dir %{_includedir}/icecc/
diff --git a/icecream.sysusers.conf b/icecream.sysusers.conf
new file mode 100644
index 0000000..65bb698
--- /dev/null
+++ b/icecream.sysusers.conf
@@ -0,0 +1 @@
+u icecc - 'Icecream distributed compiler' /var/cache/icecream -
diff --git a/icecream.tmpfiles.conf b/icecream.tmpfiles.conf
new file mode 100644
index 0000000..dc78a65
--- /dev/null
+++ b/icecream.tmpfiles.conf
@@ -0,0 +1,2 @@
+d /run/icecc 0775 root icecc -
+d /var/cache/icecream 0775 root icecc -
diff --git a/sources b/sources
index 586d5ec..fad0fad 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (icecream-1.4rc1.tar.gz) = 0804e410387b60c9a4fd061cf12a47c8c9d1eb1eff3737ccc39874460a5e3223c0cb514992a7ace91dacd4b786ed50931948ac280889762815a593579fd0b8b0
+SHA512 (icecream-1.4.tar.gz) = b77dd630c51b7b6b4d7fa06cd14a580891b974fe2d50074f7a3b129adc558fc7ce19b3a3716a6798c2fd0f7d0d3a1bc295bbedee3ed6dafa015f309c7c2590f5