diff --git a/clusters/cl01tl/helm/argo-workflows/Chart.yaml b/clusters/cl01tl/helm/argo-workflows/Chart.yaml
index 151fca0cf..420dfbb6b 100644
--- a/clusters/cl01tl/helm/argo-workflows/Chart.yaml
+++ b/clusters/cl01tl/helm/argo-workflows/Chart.yaml
@@ -29,4 +29,4 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/argo-cd.png
 # renovate: datasource=github-releases depName=argoproj/argo-workflows
-appVersion: v3.7.9
+appVersion: v4.0.0