diff --git a/iguanaIR.spec b/iguanaIR.spec
index 5b68eb7..b57c995 100644
--- a/iguanaIR.spec
+++ b/iguanaIR.spec
@@ -5,11 +5,12 @@
 
 Name:           iguanaIR
 Version:        1.1.0
-Release:        40%{?dist}
+Release:        44%{?dist}
 Epoch:          2
 Summary:        Driver for Iguanaworks USB IR transceiver
 
-License:        GPLv2 and LGPLv2
+# Automatically converted from old format: GPLv2 and LGPLv2 - review is highly recommended.
+License:        GPL-2.0-only AND LicenseRef-Callaway-LGPLv2
 URL:            http://iguanaworks.net/ir
 Source0:        http://iguanaworks.net/downloads/%{name}-%{version}.tar.bz2
 Source1:        iguanaIR.service
@@ -108,6 +109,11 @@ patch -l -p2 --fuzz 2 < %{SOURCE20}
 cd ..
 patch  -p1 --fuzz 2 < %{SOURCE21}
 
+# Create a sysusers.d config file
+cat >iguanair.sysusers.conf <<EOF
+u iguanair - 'Iguanaworks IR Daemon' %{_localstatedir}/run/%{name} -
+EOF
+
 
 
 %build
@@ -174,13 +180,9 @@ EOF
 install -m 755 -d $RPM_BUILD_ROOT/run/%{name}
 install -m 644 -D %{SOURCE5} $RPM_BUILD_ROOT/etc/logrotate.d/%{name}
 
+install -m0644 -D iguanair.sysusers.conf %{buildroot}%{_sysusersdir}/iguanair.conf
+
 
-%pre
-getent group iguanair >/dev/null || groupadd -r iguanair
-getent passwd iguanair >/dev/null || \
-    useradd -r -g iguanair -d %{_localstatedir}/run/%{name} -s /sbin/nologin \
-    -c "Iguanaworks IR Daemon" iguanair
-exit 0
 
 %post
 %systemd_post %{name}.service
@@ -213,6 +215,7 @@ exit 0
 %if 0%{fedora} < 30
 %{_libdir}/python2.7/*
 %endif
+%{_sysusersdir}/iguanair.conf
 
 %files devel
 %{_includedir}/%{name}.h
@@ -232,6 +235,18 @@ exit 0
 
 
 %changelog
+* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.1.0-44
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Tue Feb 11 2025 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> - 2:1.1.0-43
+- Add sysusers.d config file to allow rpm to create users/groups automatically
+
+* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.1.0-42
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Mon Sep 02 2024 Miroslav Suchý <msuchy@redhat.com> - 2:1.1.0-41
+- convert license to SPDX
+
 * Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.1.0-40
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild