diff --git a/infrastructure/prometheus/release.yaml b/infrastructure/prometheus/release.yaml
index ca78dcb964048e79ebcd2d32e72b26666cd59081..841f49a3c15546218b1bb608266c7fa3f8b88cb3 100644
--- a/infrastructure/prometheus/release.yaml
+++ b/infrastructure/prometheus/release.yaml
@@ -2311,7 +2311,7 @@ spec:
         storageSpec:
           volumeClaimTemplate:
             spec:
-              storageClassName: ceph-block
+              storageClassName: longhorn
               accessModes: ["ReadWriteOnce"]
               resources:
                 requests: