diff --git a/releases/specs/amd64/stage1-openrc-23-su.spec b/releases/specs/amd64/stage1-openrc-23-su.spec
new file mode 100644
index 00000000..ef4c52b5
--- /dev/null
+++ b/releases/specs/amd64/stage1-openrc-23-su.spec
@@ -0,0 +1,12 @@
+subarch: amd64
+target: stage1
+version_stamp: openrc-splitusr-@TIMESTAMP@
+rel_type: 23.0-splitusr
+profile: default/linux/amd64/23.0/split-usr
+snapshot_treeish: @TREEISH@
+source_subpath: 23.0-default/stage3-amd64-openrc-splitusr-latest
+compression_mode: pixz
+update_seed: yes
+update_seed_command: --update --deep --newuse @world
+portage_confdir: @REPO_DIR@/releases/portage/stages
+portage_prefix: releng
diff --git a/releases/specs/amd64/stage3-openrc-23-su.spec b/releases/specs/amd64/stage3-openrc-23-su.spec
new file mode 100644
index 00000000..cdfad9c0
--- /dev/null
+++ b/releases/specs/amd64/stage3-openrc-23-su.spec
@@ -0,0 +1,10 @@
+subarch: amd64
+target: stage3
+version_stamp: openrc-splitusr-@TIMESTAMP@
+rel_type: 23.0-splitusr
+profile: default/linux/amd64/23.0/split-usr
+snapshot_treeish: @TREEISH@
+source_subpath: 23.0-default/stage1-amd64-openrc-splitusr-@TIMESTAMP@
+compression_mode: pixz
+portage_confdir: @REPO_DIR@/releases/portage/stages
+portage_prefix: releng
diff --git a/tools/catalyst-auto-amd64.conf b/tools/catalyst-auto-amd64.conf
index 4aa16c56..a57c8e14 100644
--- a/tools/catalyst-auto-amd64.conf
+++ b/tools/catalyst-auto-amd64.conf
@@ -11,6 +11,7 @@ SPECS_DIR=${REPO_DIR}/releases/specs/amd64
 
 SETS="
 	openrc_23
+	openrc_23_su
 	systemd_23
 	nomultilib_openrc_23
 	nomultilib_systemd_23
@@ -85,6 +86,8 @@ SET_x32_systemd_mu_SPECS="x32/stage1-systemd-mu.spec x32/stage3-systemd-mu.spec"
 SET_openrc_23_SPECS="stage1-openrc-23.spec stage3-openrc-23.spec"
 SET_openrc_23_OPTIONAL_SPECS="stage3d-openrc-23.spec"
 
+SET_openrc_23_su_SPECS="stage1-openrc-23-su.spec stage3-openrc-23-su.spec"
+
 SET_systemd_23_SPECS="stage1-systemd-23.spec stage3-systemd-23.spec"
 SET_systemd_23_OPTIONAL_SPECS="stage3d-systemd-23.spec"