diff --git a/prometheus-pv.yml b/prometheus-pv.yml
index 77fa092..e0b50ca 100644
--- a/prometheus-pv.yml
+++ b/prometheus-pv.yml
@@ -36,3 +36,21 @@ spec:
   resources:
     requests:
       storage: 10Gi
+
+---
+
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: prometheus-pv
+  labels:
+    type: local
+spec:
+  storageClassName: manual
+  persistentVolumeReclaimPolicy: Recycle
+  capacity:
+    storage: 30Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/prometheus-data"
diff --git a/prometheus-values.yaml b/prometheus-values.yaml
index 67631ad..f9ab527 100644
--- a/prometheus-values.yaml
+++ b/prometheus-values.yaml
@@ -1,4 +1,17 @@
+prometheus:
+  prometheusSpec:
+    storageSpec:
+      volumeClaimTemplate:
+        spec:
+          storageClassName: manual
+          # existingClaim: prometheus-pvc
+          accessModes: ["ReadWriteOnce"]
+          resources:
+            requests:
+              storage: 30Gi
 grafana:
+  image:
+    tag: 7.0.1
   persistence:
     enabled: true
     storageClassName: manual