diff --git a/charts/kubezero-istio/Chart.yaml b/charts/kubezero-istio/Chart.yaml
index b9205b8e..202988b3 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: 0.18.2
+version: 0.18.3
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
@@ -16,13 +16,13 @@ dependencies:
     version: ">= 0.1.6"
     repository: https://cdn.zero-downtime.net/charts/
   - name: base
-    version: 1.18.2
+    version: 1.19.4
     repository: https://istio-release.storage.googleapis.com/charts
   - name: istiod
-    version: 1.18.2
+    version: 1.19.4
     repository: https://istio-release.storage.googleapis.com/charts
   - name: kiali-server
-    version: "1.72.0"
+    version: "1.76.0"
     repository: https://kiali.org/helm-charts
     condition: kiali-server.enabled
 kubeVersion: ">= 1.26.0"