diff --git a/charts/kubeadm/Chart.yaml b/charts/kubeadm/Chart.yaml
index b167a8ba..dd312f4a 100644
--- a/charts/kubeadm/Chart.yaml
+++ b/charts/kubeadm/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubeadm
 description: KubeZero Kubeadm cluster config
 type: application
-version: 1.31.5
+version: 1.31.6
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
@@ -11,4 +11,4 @@ keywords:
 maintainers:
   - name: Stefan Reimer
     email: stefan@zero-downtime.net
-kubeVersion: ">= 1.26.0"
+kubeVersion: ">= 1.31.0-0"
diff --git a/charts/kubezero-argo/values.yaml b/charts/kubezero-argo/values.yaml
index 3902ac97..23c6ad47 100644
--- a/charts/kubezero-argo/values.yaml
+++ b/charts/kubezero-argo/values.yaml
@@ -109,6 +109,7 @@ argo-cd:
       controller.status.processors: "10"
       controller.operation.processors: "5"
       controller.diff.server.side: "true"
+      controller.sync.timeout.seconds: "1800"
 
       server.insecure: true
       server.enable.gzip: true
diff --git a/charts/kubezero/Chart.yaml b/charts/kubezero/Chart.yaml
index f1a0ef4d..bcb1e46c 100644
--- a/charts/kubezero/Chart.yaml
+++ b/charts/kubezero/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: kubezero
 description: KubeZero - Root App of Apps chart
 type: application
-version: 1.31.5
+version: 1.31.6
 home: https://kubezero.com
 icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png
 keywords:
diff --git a/docs/v1.31.md b/docs/v1.31.md
index fa510d10..6ea0e12f 100644
--- a/docs/v1.31.md
+++ b/docs/v1.31.md
@@ -10,8 +10,8 @@
 
 ## Version upgrades
 - cilium 1.16.6
-- istio 1.24.3
-- ArgoCD 2.13.1 [custom ZDT image](https://git.zero-downtime.net/ZeroDownTime/zdt-argocd)
+- istio 1.24.2
+- ArgoCD 2.14.3 [custom ZDT image](https://git.zero-downtime.net/ZeroDownTime/zdt-argocd)
 - Prometheus 3.1.0 / Grafana 11.5.1
 - Nvidia container toolkit 1.17, drivers  565.57.01, Cuda 12.7