diff --git a/monitoring/manifests/prometheus-prometheus.yaml b/monitoring/manifests/prometheus-prometheus.yaml
index 969837a..dea5016 100644
--- a/monitoring/manifests/prometheus-prometheus.yaml
+++ b/monitoring/manifests/prometheus-prometheus.yaml
@@ -20,6 +20,7 @@ spec:
   resources:
     requests:
       memory: 400Mi
+  retention: 7d
   ruleSelector:
     matchLabels:
       prometheus: k8s
@@ -31,4 +32,15 @@ spec:
   serviceAccountName: prometheus-k8s
   serviceMonitorNamespaceSelector: {}
   serviceMonitorSelector: {}
+  storage:
+    volumeClaimTemplate:
+      apiVersion: v1
+      kind: PersistentVolumeClaim
+      spec:
+        accessModes:
+        - ReadWriteOnce
+        resources:
+          requests:
+            storage: 10Gi
+        storageClassName: local-path
   version: v2.15.2
diff --git a/monitoring/monitoring.jsonnet b/monitoring/monitoring.jsonnet
index b0ee157..c2c48a0 100644
--- a/monitoring/monitoring.jsonnet
+++ b/monitoring/monitoring.jsonnet
@@ -16,6 +16,13 @@ local kp =
         names: 'k8s',
         replicas: 1,
         namespaces+: ['k8up'],
+      },
+      alertmanager+:: {
+        replicas: 1,
+      },
+    },
+    prometheus+:: {
+      prometheus+: {
         spec+: {
           retention: '7d',
           storage: {
@@ -27,9 +34,6 @@ local kp =
           },
         },
       },
-      alertmanager+:: {
-        replicas: 1,
-      },
     },
   };