diff --git a/stacks/platform/modules/monitoring/prometheus.tf b/stacks/platform/modules/monitoring/prometheus.tf
index 62f7ca5e..4b8283eb 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 = "30Gi"
+        storage = "200Gi"
       }
     }
   }
diff --git a/stacks/platform/modules/monitoring/prometheus_chart_values.tpl b/stacks/platform/modules/monitoring/prometheus_chart_values.tpl
index 1c06c0ff..4d6d7057 100755
--- a/stacks/platform/modules/monitoring/prometheus_chart_values.tpl
+++ b/stacks/platform/modules/monitoring/prometheus_chart_values.tpl
@@ -114,7 +114,7 @@ server:
     # - "web.enable-admin-api"
     - "web.enable-lifecycle"
     - "storage.tsdb.allow-overlapping-blocks"
-    - "storage.tsdb.retention.size=45GB"
+    - "storage.tsdb.retention.size=180GB"
     - "storage.tsdb.wal-compression"
   persistentVolume:
     # enabled: false