diff --git a/charts/kubezero-istio/README.md b/charts/kubezero-istio/README.md
index 2079ded..945ea5c 100644
--- a/charts/kubezero-istio/README.md
+++ b/charts/kubezero-istio/README.md
@@ -32,19 +32,19 @@ Kubernetes: `>= 1.20.0`
 | global.defaultPodDisruptionBudget.enabled | bool | `false` |  |
 | global.logAsJson | bool | `true` |  |
 | global.priorityClassName | string | `"system-cluster-critical"` |  |
-| global.tag | string | `"1.11.5-distroless"` |  |
-| istio-discovery.meshConfig.accessLogEncoding | string | `"JSON"` |  |
-| istio-discovery.meshConfig.accessLogFile | string | `"/dev/stdout"` |  |
-| istio-discovery.meshConfig.tcpKeepalive.interval | string | `"60s"` |  |
-| istio-discovery.meshConfig.tcpKeepalive.time | string | `"120s"` |  |
-| istio-discovery.pilot.autoscaleEnabled | bool | `false` |  |
-| istio-discovery.pilot.nodeSelector."node-role.kubernetes.io/control-plane" | string | `""` |  |
-| istio-discovery.pilot.replicaCount | int | `1` |  |
-| istio-discovery.pilot.resources.requests.cpu | string | `"100m"` |  |
-| istio-discovery.pilot.resources.requests.memory | string | `"128Mi"` |  |
-| istio-discovery.pilot.tolerations[0].effect | string | `"NoSchedule"` |  |
-| istio-discovery.pilot.tolerations[0].key | string | `"node-role.kubernetes.io/master"` |  |
-| istio-discovery.telemetry.enabled | bool | `false` |  |
+| global.tag | string | `"1.13.3-distroless"` |  |
+| istiod.meshConfig.accessLogEncoding | string | `"JSON"` |  |
+| istiod.meshConfig.accessLogFile | string | `"/dev/stdout"` |  |
+| istiod.meshConfig.tcpKeepalive.interval | string | `"60s"` |  |
+| istiod.meshConfig.tcpKeepalive.time | string | `"120s"` |  |
+| istiod.pilot.autoscaleEnabled | bool | `false` |  |
+| istiod.pilot.nodeSelector."node-role.kubernetes.io/control-plane" | string | `""` |  |
+| istiod.pilot.replicaCount | int | `1` |  |
+| istiod.pilot.resources.requests.cpu | string | `"100m"` |  |
+| istiod.pilot.resources.requests.memory | string | `"128Mi"` |  |
+| istiod.pilot.tolerations[0].effect | string | `"NoSchedule"` |  |
+| istiod.pilot.tolerations[0].key | string | `"node-role.kubernetes.io/master"` |  |
+| istiod.telemetry.enabled | bool | `false` |  |
 | kiali-server.auth.strategy | string | `"anonymous"` |  |
 | kiali-server.deployment.ingress_enabled | bool | `false` |  |
 | kiali-server.deployment.view_only_mode | bool | `true` |  |
diff --git a/charts/kubezero-istio/templates/grafana-dashboards.yaml b/charts/kubezero-istio/templates/grafana-dashboards.yaml
index 687b357..1e63b28 100644
--- a/charts/kubezero-istio/templates/grafana-dashboards.yaml
+++ b/charts/kubezero-istio/templates/grafana-dashboards.yaml
@@ -1,4 +1,4 @@
-{{- if .Values.istiod.telemetry.enabled }}
+{{- if index .Values "istio-discovery" "telemetry" "enabled" }}
 apiVersion: v1
 kind: ConfigMap
 metadata:
diff --git a/charts/kubezero-istio/update.sh b/charts/kubezero-istio/update.sh
index 65c5a38..334a733 100755
--- a/charts/kubezero-istio/update.sh
+++ b/charts/kubezero-istio/update.sh
@@ -9,29 +9,18 @@ export KIALI_VERSION=$(yq eval '.dependencies[] | select(.name=="kiali-server")
 
 helm dep update
 
-exit 0
-
 # Patch
 #exit 0
 #diff -tubr istio istio.zdt/
-patch -p0 -i zdt.patch --no-backup-if-mismatch
-
-### Create kubezero istio charts
-
-# remove previous charts
-rm -rf charts/base charts/istio-*
-
-# create istio main chart
-cp -r istio/manifests/charts/base charts/
-cp -r istio/manifests/charts/istio-control/istio-discovery charts/
+#patch -p0 -i zdt.patch --no-backup-if-mismatch
 
 # Create ingress charts
-rm -rf ../kubezero-istio-ingress/charts/istio-*
-cp -r istio/manifests/charts/gateways/istio-ingress ../kubezero-istio-ingress/charts/
-cp -r istio/manifests/charts/gateways/istio-ingress ../kubezero-istio-ingress/charts/istio-private-ingress
+#rm -rf ../kubezero-istio-ingress/charts/istio-*
+#cp -r istio/manifests/charts/gateways/istio-ingress ../kubezero-istio-ingress/charts/
+#cp -r istio/manifests/charts/gateways/istio-ingress ../kubezero-istio-ingress/charts/istio-private-ingress
 
 # Rename private chart
-sed -i -e 's/name: istio-ingress/name: istio-private-ingress/' ../kubezero-istio-ingress/charts/istio-private-ingress/Chart.yaml
+#sed -i -e 's/name: istio-ingress/name: istio-private-ingress/' ../kubezero-istio-ingress/charts/istio-private-ingress/Chart.yaml
 
 # Get matching istioctl
 [ -x istioctl ] && [ "$(./istioctl version --remote=false)" == $ISTIO_VERSION ] || { curl -sL https://github.com/istio/istio/releases/download/${ISTIO_VERSION}/istioctl-${ISTIO_VERSION}-linux-amd64.tar.gz | tar xz; chmod +x istioctl; }
diff --git a/charts/kubezero-istio/values.yaml b/charts/kubezero-istio/values.yaml
index 2401445..54b0d91 100644
--- a/charts/kubezero-istio/values.yaml
+++ b/charts/kubezero-istio/values.yaml
@@ -1,6 +1,6 @@
 global:
   # hub: docker.io/istio
-  tag: 1.11.5-distroless
+  tag: 1.13.3-distroless
 
   logAsJson: true
 
@@ -16,8 +16,6 @@ istiod:
 
     nodeSelector:
       node-role.kubernetes.io/control-plane: ""
-
-    # Not implemented, monkey patched in the chart itself
     tolerations:
     - effect: NoSchedule
       key: node-role.kubernetes.io/master
diff --git a/charts/kubezero-istio/zdt.patch b/charts/kubezero-istio/zdt.patch
index 03169f1..638faf4 100644
--- a/charts/kubezero-istio/zdt.patch
+++ b/charts/kubezero-istio/zdt.patch
@@ -65,16 +65,3 @@ diff -tubr istio/manifests/charts/gateways/istio-ingress/templates/service.yaml
  
    {{ range $app := $gateway.ingressPorts }}
      -
-diff -tubr istio/manifests/charts/istio-control/istio-discovery/templates/deployment.yaml istio.zdt/manifests/charts/istio-control/istio-discovery/templates/deployment.yaml
---- istio/manifests/charts/istio-control/istio-discovery/templates/deployment.yaml	2021-07-15 07:32:30.000000000 +0200
-+++ istio.zdt/manifests/charts/istio-control/istio-discovery/templates/deployment.yaml	2021-08-10 15:46:23.216421660 +0200
-@@ -60,6 +60,9 @@
- {{- end }}
-       securityContext:
-         fsGroup: 1337
-+      tolerations:
-+      - effect: NoSchedule
-+        key: node-role.kubernetes.io/master
-       containers:
-         - name: discovery
- {{- if contains "/" .Values.pilot.image }}