diff --git a/clusters/cl01tl/standalone/kubelet-serving-cert-approver/Chart.yaml b/clusters/cl01tl/standalone/kubelet-serving-cert-approver/Chart.yaml
index 510ea774b..718d44b8d 100644
--- a/clusters/cl01tl/standalone/kubelet-serving-cert-approver/Chart.yaml
+++ b/clusters/cl01tl/standalone/kubelet-serving-cert-approver/Chart.yaml
@@ -17,6 +17,6 @@ dependencies:
   - name: app-template
     alias: kubelet-serving-cert-approver
     repository: https://bjw-s-labs.github.io/helm-charts/
-    version: 3.7.3
+    version: 4.0.1
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/kubernetes.png
 appVersion: 0.9.1