diff --git a/inventory/group_vars/osbs-masters-stg b/inventory/group_vars/osbs-masters-stg
index f4bc374137..bf4da3dc13 100644
--- a/inventory/group_vars/osbs-masters-stg
+++ b/inventory/group_vars/osbs-masters-stg
@@ -32,6 +32,10 @@ osbs_conf_vendor: Fedora Project
 osbs_orchestrator_cpu_limitrange: "95m"
 osbs_orchestrator_default_nodeselector: "orchestrator=true"
 
+osbs_readwrite_users:
+  - default
+  - builder
+
 nagios_Check_Services:
   nrpe: true
   sshd: true
diff --git a/playbooks/groups/osbs-cluster.yml b/playbooks/groups/osbs-cluster.yml
index d5641344a1..0a45383372 100644
--- a/playbooks/groups/osbs-cluster.yml
+++ b/playbooks/groups/osbs-cluster.yml
@@ -432,6 +432,7 @@
       osbs_authoritative_registry: "{{ source_registry }}"
       osbs_sources_command: "{{ osbs_conf_sources_command }}"
       osbs_vendor: "{{ osbs_conf_vendor }}"
+      osbs_readwrite_users: "{{ osbs_readwrite_users }}"
       when: env == "staging"
 
 - name: setup koji secret in worker namespace
@@ -480,6 +481,7 @@
     osbs_authoritative_registry: "{{ source_registry }}"
     osbs_sources_command: "{{ osbs_conf_sources_command }}"
     osbs_vendor: "{{ osbs_conf_vendor }}"
+    osbs_readwrite_users: "{{ osbs_readwrite_users }}"
     when: env == "staging"
 
 - name: setup reactor config secret in orchestrator namespace