diff --git a/ci-operator/step-registry/osac-project/cluster-tool/boot/osac-project-cluster-tool-boot-ref.yaml b/ci-operator/step-registry/osac-project/cluster-tool/boot/osac-project-cluster-tool-boot-ref.yaml
index 6ddb0742f2feb..101c4f834e894 100644
--- a/ci-operator/step-registry/osac-project/cluster-tool/boot/osac-project-cluster-tool-boot-ref.yaml
+++ b/ci-operator/step-registry/osac-project/cluster-tool/boot/osac-project-cluster-tool-boot-ref.yaml
@@ -31,7 +31,7 @@ ref:
     default: ""
     documentation: Image name to override (e.g. ghcr.io/osac-project/fulfillment-service)
   - name: CLUSTER_TOOL_COMMIT
-    default: "main"
+    default: "optimize-pull-streaming"
     documentation: cluster-tool git ref to download (branch, tag, or commit)
   - name: CLUSTER_TOOL_FLAVOR_IMAGE
     default: "quay.io/rh-ee-ovishlit/cluster-flavors:vmaas-kustomize"