diff --git a/debian.changelog b/debian.changelog
index 6663c43..9e2b5d9 100644
--- a/debian.changelog
+++ b/debian.changelog
@@ -1,4 +1,4 @@
-grommunio-web (3.1.181.9f6b29e) unstable; urgency=low
+grommunio-web (3.1.182.52d9180) unstable; urgency=low
 
   * Current release
 
diff --git a/grommunio-web-3.1.181.9f6b29e.tar.xz b/grommunio-web-3.1.181.9f6b29e.tar.xz
deleted file mode 100644
index 68c7d8b..0000000
--- a/grommunio-web-3.1.181.9f6b29e.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3b2f2b1705abc8e1fc51cec2f23577de3fd730a5ddd92bd18154160d835d78c8
-size 22435332
diff --git a/grommunio-web-3.1.182.52d9180.tar.xz b/grommunio-web-3.1.182.52d9180.tar.xz
new file mode 100644
index 0000000..086c815
--- /dev/null
+++ b/grommunio-web-3.1.182.52d9180.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d5619af932fa5389f4839bc8be6467115a020bf1d4496feb161e3ae0919e7dec
+size 22435712
diff --git a/grommunio-web.changes b/grommunio-web.changes
index e946952..566071c 100644
--- a/grommunio-web.changes
+++ b/grommunio-web.changes
@@ -1,4 +1,4 @@
 -------------------------------------------------------------------
-Thu Jan 12 13:18:01 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+Sat Jan 14 10:47:06 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
-- Initial package (v3.1.181.9f6b29e) for build.opensuse.org
+- Initial package (version 3.1.182.52d9180) for build.opensuse.org
diff --git a/grommunio-web.dsc b/grommunio-web.dsc
index 051c1bf..bee15af 100644
--- a/grommunio-web.dsc
+++ b/grommunio-web.dsc
@@ -3,7 +3,7 @@ Source: grommunio-web
 Binary: grommunio-web
 Architecture: all
 DEBTRANSFORM-RELEASE: 1
-Version: 3.1.181.9f6b29e
+Version: 3.1.182.52d9180
 Maintainer: grommunio <dev@grommunio.com>
 Homepage: https://grommunio.com/
 Standards-Version: 3.9.4
diff --git a/grommunio-web.spec b/grommunio-web.spec
index dea0e81..fb7d57f 100644
--- a/grommunio-web.spec
+++ b/grommunio-web.spec
@@ -21,7 +21,7 @@
 %endif
 
 Name:           grommunio-web
-Version:        3.1.181.9f6b29e
+Version:        3.1.182.52d9180
 Release:        0
 Summary:        Web client for access to grommunio features from the web
 License:        AGPL-3.0-or-later AND GPL-3.0-only AND LGPL-2.1-only AND MIT
@@ -49,6 +49,7 @@ BuildRequires:  java-11-openjdk-devel
 BuildRequires:  php-cli
 BuildRequires:  php-json
 %endif
+BuildRequires:  mapi-header-php
 BuildRequires:  php
 BuildRequires:  xz
 %if 0%{?suse_version} >= 1220
@@ -56,12 +57,18 @@ BuildRequires:  libxml2-tools
 %else
 BuildRequires:  libxml2
 %endif
+%if 0%{?suse_version} >= 1500
+BuildRequires:  sysuser-tools
+%sysusers_requires
+%else
+Requires(pre):  %_sbindir/groupadd
+Requires(pre):  %_sbindir/useradd
+%endif
 BuildArch:      noarch
 
-Requires(pre):  user(groweb)
-Requires(pre):  group(groweb)
+Obsoletes:      system-user-groweb
+Provides:       system-user-groweb
 Requires:       gromox >= 1.27
-BuildRequires:  mapi-header-php
 Requires:       mapi-header-php
 %if 0%{?centos_version} || 0%{?rhel_version} || 0%{?fedora_version}
 Requires:       php-bcmath
@@ -122,7 +129,12 @@ echo "%version-%release" >version
 echo "%version-%release" | sha1sum | cut -b 1-8 >cachebuster
 
 %build
-make
+%make_build -j1
+%if 0%{?suse_version} >= 1500
+%sysusers_generate_pre %_sourcedir/system-user-groweb.conf %name system-user-groweb.conf
+%else
+: >>"%name.pre"
+%endif
 
 %install
 b="%buildroot"
@@ -165,14 +177,20 @@ for dir in "$b/%_datadir/%name/plugins"/*; do
 	fi
 done
 
+%if 0%{?suse_version} >= 1500
+mkdir -p "%buildroot/%_sysusersdir"
+install -m 0644 "%_sourcedir/system-user-groweb.conf" "%buildroot/%_sysusersdir/"
+%endif
 %if 0%{?fdupes:1}
 %fdupes %buildroot/%_prefix
 %endif
 
-%pre
-if [ -d "%_datadir/grommunio-web/server/includes/mapi" ]; then
-	rm -Rf "%_datadir/grommunio-web/server/includes/mapi"
-fi
+%pre -f %name.pre
+%if 0%{?suse_version} < 1500
+getent group groweb >/dev/null || %_sbindir/groupadd -r groweb
+getent passwd groweb >/dev/null || %_sbindir/useradd -g groweb -s /bin/false \
+        -r -c "user for %name" -d "%_localstatedir/lib/groweb" groweb
+%endif
 
 %post
 # clear translation caches
@@ -219,6 +237,10 @@ ipcrm -M 0x950412de 2>/dev/null || :
 %_datadir/%name/cachebuster
 %attr(750,root,root) /var/log/grommunio/
 
+%if 0%{?suse_version} >= 1500
+%_sysusersdir/*.conf
+%endif
+
 %dir %langdir/
 %lang(af_ZA) %langdir/af_ZA.UTF-8
 %lang(am_ET) %langdir/am_ET.UTF-8
diff --git a/system-user-groweb.conf b/system-user-groweb.conf
new file mode 100644
index 0000000..651f714
--- /dev/null
+++ b/system-user-groweb.conf
@@ -0,0 +1,2 @@
+#Type	Name	ID	GECOS				Home directory	Shell
+u	groweb	-	"user for grommunio-web"	/var/lib/groweb	-