diff --git a/aula-09/README.md b/aula-09/README.md
index 878821e..31af73d 100644
--- a/aula-09/README.md
+++ b/aula-09/README.md
@@ -137,7 +137,12 @@ Acesse: https://n8n.kube.quest
 Para atualizar o n8n após modificar o values file (ex: nova versão da imagem):
 
 ```bash
-helm upgrade n8n oci://ghcr.io/community-charts/helm/n8n \
+# Garantir que o repo está configurado
+helm repo add community-charts https://community-charts.github.io/helm-charts 2>/dev/null || true
+helm repo update
+
+# Fazer upgrade
+helm upgrade n8n community-charts/n8n \
   -n n8n \
   -f custom-values.yaml \
   --atomic \