diff --git a/tools/iso_builder/CLAUDE.md b/tools/iso_builder/CLAUDE.md
index fbfa75c..720016b 100644
--- a/tools/iso_builder/CLAUDE.md
+++ b/tools/iso_builder/CLAUDE.md
@@ -94,7 +94,7 @@ The build follows these steps:
      - SSH key (optional)
 
 4. **ISO Build** (`build_live_iso()`)
-   - Uses appliance image: `quay-proxy.ci.openshift.org/openshift/ci:ocp_<major.minor>_agent-preinstall-image-builder`
+   - Uses appliance image: `quay-proxy.ci.openshift.org/openshift/ci:ocp_<major.minor>_agent-release-iso-builder`
    - Runs podman with privileged mode and host networking
    - Mounts appliance work dir to `/assets` in container
    - Executes: `build live-iso --log-level debug`
diff --git a/tools/iso_builder/Dockerfile b/tools/iso_builder/Dockerfile
index 6def2cd..647ccce 100644
--- a/tools/iso_builder/Dockerfile
+++ b/tools/iso_builder/Dockerfile
@@ -1,5 +1,5 @@
 ARG MAJOR_MINOR_VERSION
-FROM quay-proxy.ci.openshift.org/openshift/ci:ocp_${MAJOR_MINOR_VERSION}_agent-preinstall-image-builder AS builder
+FROM quay-proxy.ci.openshift.org/openshift/ci:ocp_${MAJOR_MINOR_VERSION}_agent-release-iso-builder AS builder
 
 # Define the arguments that will be passed in from the pipeline
 ARG RELEASE_FLAG
diff --git a/tools/iso_builder/hack/build-ove-image.sh b/tools/iso_builder/hack/build-ove-image.sh
index 8547093..302ec8c 100755
--- a/tools/iso_builder/hack/build-ove-image.sh
+++ b/tools/iso_builder/hack/build-ove-image.sh
@@ -70,7 +70,7 @@ EOF
 
 function build_live_iso() {
     if [ ! -f "${appliance_work_dir}"/appliance.iso ]; then
-        local appliance_image="${APPLIANCE_IMAGE:-quay-proxy.ci.openshift.org/openshift/ci:ocp_${major_minor_version}_agent-preinstall-image-builder}"
+        local appliance_image="${APPLIANCE_IMAGE:-quay-proxy.ci.openshift.org/openshift/ci:ocp_${major_minor_version}_agent-release-iso-builder}"
         echo "Building appliance ISO (image: ${appliance_image})"
 
         # Build the podman run command as an array to avoid shell injection