diff --git a/charts/kubezero-istio-gateway/Chart.yaml b/charts/kubezero-istio-gateway/Chart.yaml
index 3bf12e0..1233a0a 100644
--- a/charts/kubezero-istio-gateway/Chart.yaml
+++ b/charts/kubezero-istio-gateway/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero-istio-gateway
 description: KubeZero Umbrella Chart for Istio gateways
 type: application
-version: 0.8.0
+version: 0.8.1
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
diff --git a/charts/kubezero-istio/Chart.yaml b/charts/kubezero-istio/Chart.yaml
index 6f319a3..51fe307 100644
--- a/charts/kubezero-istio/Chart.yaml
+++ b/charts/kubezero-istio/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero-istio
 description: KubeZero Umbrella Chart for Istio
 type: application
-version: 0.8.0
+version: 0.8.1
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
diff --git a/releases/v1.22/kubezero.sh b/releases/v1.22/kubezero.sh
index 762fb0a..dc9a931 100755
--- a/releases/v1.22/kubezero.sh
+++ b/releases/v1.22/kubezero.sh
@@ -349,10 +349,12 @@ elif [[ "$1" =~ "^(bootstrap|restore|join)$" ]]; then
   echo "${1} cluster $CLUSTERNAME successfull."
 
 
-# Since 1.21 we only need to backup etcd + /etc/kubernetes/pki !
+# backup etcd + /etc/kubernetes/pki
 elif [ "$1" == 'backup' ]; then
   restic snapshots || restic init || exit 1
 
+  CLUSTER_VERSION="v1.$(kubectl version --short=true -o json | jq .serverVersion.minor -r)"
+
   etcdctl --endpoints=https://${ETCD_NODENAME}:2379 snapshot save ${WORKDIR}/etcd_snapshot
 
   # pki & cluster-admin access
@@ -361,12 +363,12 @@ elif [ "$1" == 'backup' ]; then
 
   # Backup via restic
   restic snapshots || restic init
-  restic backup ${WORKDIR} -H $CLUSTERNAME --tag $VERSION
+  restic backup ${WORKDIR} -H $CLUSTERNAME --tag $CLUSTER_VERSION
 
   echo "Backup complete."
 
   # Remove backups from previous versions
-  restic forget --keep-tag $VERSION --prune
+  restic forget --keep-tag $CLUSTER_VERSION --prune
 
   # Regular retention
   restic forget --keep-hourly 24 --keep-daily ${RESTIC_RETENTION:-7} --prune
diff --git a/releases/v1.22/upgrade_cluster.sh b/releases/v1.22/upgrade_cluster.sh
index 788f672..89e1599 100755
--- a/releases/v1.22/upgrade_cluster.sh
+++ b/releases/v1.22/upgrade_cluster.sh
@@ -68,7 +68,7 @@ spec:
   hostPID: true
   containers:
   - name: kubezero-admin
-    image: public.ecr.aws/zero-downtime/kubezero-admin:${VERSION}
+    image: public.ecr.aws/zero-downtime/kubezero-admin:${VERSION}-9
     imagePullPolicy: Always
     command: ["kubezero.sh"]
     args: