diff --git a/clusters/base/apps/radicale/helmrelease.yaml b/clusters/base/apps/radicale/helmrelease.yaml
index 133ce34..d870040 100644
--- a/clusters/base/apps/radicale/helmrelease.yaml
+++ b/clusters/base/apps/radicale/helmrelease.yaml
@@ -5,13 +5,9 @@ metadata:
   namespace: pim
 spec:
   interval: 10m
-  chart:
-    spec:
-      chart: radicale
-      sourceRef:
-        kind: HelmRepository
-        name: radicale
-        namespace: pim
+  chartRef:
+    kind: OCIRepository
+    name: radicale-app-template
   values:
     controllers:
       radicale: