diff --git a/base-infrastructure/terraform/resources/helm-eck-operator.tf b/base-infrastructure/terraform/resources/helm-eck-operator.tf
index 18f2bda1..194d26af 100644
--- a/base-infrastructure/terraform/resources/helm-eck-operator.tf
+++ b/base-infrastructure/terraform/resources/helm-eck-operator.tf
@@ -12,7 +12,7 @@ resource "helm_release" "eck-operator" {
   # flags as deprecated (see the deprecation warning in the operator logs).
   # Before bumping, confirm the target ECK version still supports ES 7.x — newer
   # majors drop it. Do NOT upgrade if ES 7 support is missing.
-  version = "3.4.1" # https://github.com/elastic/cloud-on-k8s/releases
+  version = "3.5.0" # https://github.com/elastic/cloud-on-k8s/releases
 
   depends_on = [
     azurerm_kubernetes_cluster.ifrcgo