diff --git a/ci-operator/step-registry/openshift/microshift/infra/iso-build/openshift-microshift-infra-iso-build-commands.sh b/ci-operator/step-registry/openshift/microshift/infra/iso-build/openshift-microshift-infra-iso-build-commands.sh
index d2d5656bda778..2248a2d6e4309 100644
--- a/ci-operator/step-registry/openshift/microshift/infra/iso-build/openshift-microshift-infra-iso-build-commands.sh
+++ b/ci-operator/step-registry/openshift/microshift/infra/iso-build/openshift-microshift-infra-iso-build-commands.sh
@@ -74,6 +74,7 @@ download_brew_rpms() {
     bash -x ./test/bin/manage_brew_rpms.sh download "4.${y_version}" "${out_path}" "nightly" || echo "WARNING: Failed to download nightly RPMs for 4.${y_version}"
     bash -x ./test/bin/manage_brew_rpms.sh download "4.$((${y_version} - 1))" "${out_path}" "zstream" || echo "WARNING: Failed to download zstream RPMs for 4.$((${y_version} - 1))"
     bash -x ./test/bin/manage_brew_rpms.sh download "4.$((${y_version} - 2))" "${out_path}" "zstream" || ( echo "WARNING: Failed to download zstream RPMs for 4.$((${y_version} - 2))" && return 1 )
+    bash -x ./test/bin/manage_brew_rpms.sh download "4.${y_version}" "${out_path}" "zstream" "0" "1" || echo "WARNING: Failed to download zstream RPMs for 4.${y_version} Z-1"
 
     popd &>/dev/null
     return 0