diff --git a/apps/harbor.yaml.gotmpl b/apps/harbor.yaml.gotmpl
index e4f4aaa5..3215b8bb 100644
--- a/apps/harbor.yaml.gotmpl
+++ b/apps/harbor.yaml.gotmpl
@@ -32,7 +32,7 @@ releases:
     installed: true
     namespace: {{ .Values.namespace }}
     chart: stuttgart-things/sthings-cluster
-    version: 0.3.15
+    version: 0.3.20
     values:
       - "values/certificate.values.yaml.gotmpl"
 {{- end }}