diff --git a/charts/kubezero-argo-cd/Chart.yaml b/charts/kubezero-argo-cd/Chart.yaml
index 0f6a372..5182dc4 100644
--- a/charts/kubezero-argo-cd/Chart.yaml
+++ b/charts/kubezero-argo-cd/Chart.yaml
@@ -17,4 +17,4 @@ dependencies:
   - name: argo-cd
     version: 2.9.5
     repository: https://argoproj.github.io/argo-helm
-kubeVersion: ">= 1.17.0"
+kubeVersion: ">= 1.16.0"
diff --git a/charts/kubezero-istio-ingress/Chart.yaml b/charts/kubezero-istio-ingress/Chart.yaml
index 9380362..943b2c8 100644
--- a/charts/kubezero-istio-ingress/Chart.yaml
+++ b/charts/kubezero-istio-ingress/Chart.yaml
@@ -21,4 +21,4 @@ dependencies:
   - name: istio-private-ingress
     version: 1.1.0
     condition: istio-private-ingress.enabled
-kubeVersion: ">= 1.17.0"
+kubeVersion: ">= 1.16.0"
diff --git a/charts/kubezero-istio/Chart.yaml b/charts/kubezero-istio/Chart.yaml
index 183d4cb..2321650 100644
--- a/charts/kubezero-istio/Chart.yaml
+++ b/charts/kubezero-istio/Chart.yaml
@@ -19,4 +19,4 @@ dependencies:
     version: 1.1.0
   - name: istio-discovery
     version: 1.2.0
-kubeVersion: ">= 1.17.0"
+kubeVersion: ">= 1.16.0"