diff --git a/ci-operator/config/openshift/os/openshift-os-master.yaml b/ci-operator/config/openshift/os/openshift-os-master.yaml
index b5c138d4f43f7..601ed69d3806c 100644
--- a/ci-operator/config/openshift/os/openshift-os-master.yaml
+++ b/ci-operator/config/openshift/os/openshift-os-master.yaml
@@ -1,3 +1,8 @@
+base_images:
+  rhel-coreos-base:
+    name: rhel-coreos-base
+    namespace: coreos
+    tag: "9.6"
 build_root:
   image_stream_tag:
     name: coreos-assembler
@@ -23,6 +28,15 @@ images:
     WORKDIR /tmp/cosa
   from: root
   to: build-image
+- build_args:
+  - name: OPENSHIFT_CI
+    value: "1"
+  dockerfile_path: Containerfile
+  inputs:
+    "rhel-coreos-base":
+      as:
+        - quay.io/openshift-release-dev/ocp-v4.0-art-dev:c9s-coreos
+  to: node
 promotion:
   to:
   - excluded_images:
diff --git a/core-services/image-mirroring/_config.yaml b/core-services/image-mirroring/_config.yaml
index 72324288ef0d1..81eabd185eafb 100644
--- a/core-services/image-mirroring/_config.yaml
+++ b/core-services/image-mirroring/_config.yaml
@@ -667,6 +667,10 @@ supplementalCIImages:
     image: quay.io/stackrox-io/apollo-ci:stackrox-ui-test-0.4.3
   stackrox/apollo-ci:stackrox-ui-test-0.4.4:
     image: quay.io/stackrox-io/apollo-ci:stackrox-ui-test-0.4.4
+  coreos/scos-base:9:
+    image: quay.io/openshift-release-dev/ocp-v4.0-art-dev:c9s-coreos
+  coreos/rhel-coreos-base:9.6:
+    image: quay.io/openshift-release-dev/ocp-v4.0-art-dev:rhel-9.6-coreos
   coreos/coreos-assembler:latest:
     image: quay.io/coreos-assembler/coreos-assembler:latest
   coreos/coreos-assembler:4.18: