diff --git a/mock-core-configs/mock-core-configs.spec b/mock-core-configs/mock-core-configs.spec
index 420c5e8c9..869562f8f 100644
--- a/mock-core-configs/mock-core-configs.spec
+++ b/mock-core-configs/mock-core-configs.spec
@@ -50,8 +50,6 @@ Rocky Linux and various other specific or combined chroots.
 
 
 %install
-mkdir -p %{buildroot}%{_sysusersdir}
-
 mkdir -p %{buildroot}%{_sysconfdir}/mock/eol/templates
 mkdir -p %{buildroot}%{_sysconfdir}/mock/templates
 cp -a etc/mock/*.cfg %{buildroot}%{_sysconfdir}/mock
diff --git a/mock-core-configs/mock.conf b/mock/mock.conf
similarity index 100%
rename from mock-core-configs/mock.conf
rename to mock/mock.conf
diff --git a/mock/mock.spec b/mock/mock.spec
index fed1bae4a..df9de4787 100644
--- a/mock/mock.spec
+++ b/mock/mock.spec
@@ -1,9 +1,6 @@
 %bcond_with lint
 %bcond_without tests
 
-# mock group id allocate for Fedora
-%global mockgid 135
-
 %global __python %{__python3}
 %global python_sitelib %{python3_sitelib}
 
@@ -146,6 +143,9 @@ Mock plugin that preprocesses spec files using rpmautospec.
 %package filesystem
 Summary:  Mock filesystem layout
 Requires(pre):  shadow-utils
+BuildRequires:  systemd-rpm-macros
+
+%{?sysusers_requires_compat}
 
 %description filesystem
 Filesystem layout and group for Mock.
@@ -213,13 +213,15 @@ install -d %{buildroot}/var/cache/mock
 mkdir -p %{buildroot}%{_pkgdocdir}
 install -p -m 0644 docs/site-defaults.cfg %{buildroot}%{_pkgdocdir}
 
+mkdir -p %{buildroot}%{_sysusersdir}
+install -p -D -m 0644 mock.conf %{buildroot}%{_sysusersdir}
+
 sed -i 's/^_MOCK_NVR = None$/_MOCK_NVR = "%name-%version-%release"/' \
     %{buildroot}%{_libexecdir}/mock/mock
 
-%pre filesystem
-# check for existence of mock group, create it if not found
-getent group mock > /dev/null || groupadd -f -g %mockgid -r mock
-exit 0
+%pre filesystem -f mock.conf
+%sysusers_create_compat mock.conf
+
 
 %check
 %if %{with lint}
@@ -257,6 +259,7 @@ pylint-3 py/mockbuild/ py/*.py py/mockbuild/plugins/* || :
 %config(noreplace) %{_sysconfdir}/%{name}/*.ini
 %config(noreplace) %{_sysconfdir}/pam.d/%{name}
 %config(noreplace) %{_sysconfdir}/security/console.apps/%{name}
+%{_sysusersdir}/mock.conf
 
 # directory for personal gpg keys
 %dir %{_sysconfdir}/pki/mock
diff --git a/releng/release-notes-next/sysusers-handled-by-rpm.feature b/releng/release-notes-next/sysusers-handled-by-rpm.feature
new file mode 100644
index 000000000..0bd336885
--- /dev/null
+++ b/releng/release-notes-next/sysusers-handled-by-rpm.feature
@@ -0,0 +1,6 @@
+This provides users/groups via /usr/lib/sysusers.d. This is going
+to be handled by RPM as described in
+https://docs.fedoraproject.org/en-US/packaging-guidelines/UsersAndGroups/#_dynamic_allocation
+
+Fixes fedora-copr/copr#2789
+