diff --git a/stacks/platform/modules/monitoring/prometheus.tf b/stacks/platform/modules/monitoring/prometheus.tf
index 89e6fbb7..62f7ca5e 100644
--- a/stacks/platform/modules/monitoring/prometheus.tf
+++ b/stacks/platform/modules/monitoring/prometheus.tf
@@ -11,7 +11,7 @@ resource "kubernetes_persistent_volume_claim" "prometheus_server_pvc" {
     storage_class_name = "iscsi-truenas"
     resources {
       requests = {
-        storage = "15Gi"
+        storage = "30Gi"
       }
     }
   }