diff --git a/charts/cluster-api-runtime-extensions-nutanix/addons/serviceloadbalancer/metallb/values-template.yaml b/charts/cluster-api-runtime-extensions-nutanix/addons/serviceloadbalancer/metallb/values-template.yaml
index 29e9e1a9b..72a59d197 100644
--- a/charts/cluster-api-runtime-extensions-nutanix/addons/serviceloadbalancer/metallb/values-template.yaml
+++ b/charts/cluster-api-runtime-extensions-nutanix/addons/serviceloadbalancer/metallb/values-template.yaml
@@ -1,4 +1,5 @@
 controller:
+  priorityClassName: system-cluster-critical
   tolerations:
     - key: node-role.kubernetes.io/control-plane
       effect: NoSchedule
@@ -9,6 +10,7 @@ controller:
       operator: Exists
       tolerationSeconds: 300
 speaker:
+  priorityClassName: system-cluster-critical
   tolerations:
     - key: node-role.kubernetes.io/control-plane
       effect: NoSchedule