diff --git a/otc/testing-2.t09.de/stacks/forgejo/forgejo-server/values.yaml b/otc/testing-2.t09.de/stacks/forgejo/forgejo-server/values.yaml
index c3695e2..cddd91c 100644
--- a/otc/testing-2.t09.de/stacks/forgejo/forgejo-server/values.yaml
+++ b/otc/testing-2.t09.de/stacks/forgejo/forgejo-server/values.yaml
@@ -17,6 +17,7 @@ postgresql-ha:
 persistence:
   enabled: true
   size: 200Gi
+  storageClass: csi-disk
   annotations:
     everest.io/crypt-key-id: 8eba2a39-b46e-4222-8e67-ca5676982ac6
     everest.io/disk-volume-type: SSD