diff --git a/functions/final-specs/final-specs/shuffle-backend.yaml b/functions/final-specs/final-specs/shuffle-backend.yaml
index 4da4c4cc..a6ac1e7e 100644
--- a/functions/final-specs/final-specs/shuffle-backend.yaml
+++ b/functions/final-specs/final-specs/shuffle-backend.yaml
@@ -10,7 +10,7 @@ spec:
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
- storageClassName: fast
+ storageClassName: shuffle-data
  hostPath:
    path: /mnt/shuffle-data/backend