diff --git a/manifests/prometheus/prometheus.yaml b/manifests/prometheus/prometheus.yaml
index 8496f03..d5c931f 100644
--- a/manifests/prometheus/prometheus.yaml
+++ b/manifests/prometheus/prometheus.yaml
@@ -13,3 +13,14 @@ spec:
   resources:
     requests:
       memory: 300Mi
+  storage:
+    volumeClaimTemplate:
+      spec:
+        storageClassName: flat-storage-class
+        resources:
+          requests:
+            storage: 5Gi
+  securityContext:
+    runAsNonRoot: true
+    fsGroup: 2000
+    runAsUser: 1000