diff --git a/prom-stack-values.yaml b/prom-stack-values.yaml
index 3e53882..0ab9ebd 100644
--- a/prom-stack-values.yaml
+++ b/prom-stack-values.yaml
@@ -713,8 +713,19 @@ alertmanager:
 grafana:
   enabled: true
   namespaceOverride: ""
+  
+  # https://github.com/prometheus-community/helm-charts/issues/436#issuecomment-740664621
+  persistence:
+    enabled: true
+    type: pvc
+    storageClassName: %PVC_STORAGECLASS%
+    accessModes:
+    - ReadWriteOnce
+    size: %PVC_STORAGE_SIZE_GRAFANA%
+    finalizers:
+    - kubernetes.io/pvc-protection
 
-  # https://github.com/prometheus-community/helm-charts/issues/1969#issuecomment-1119567241
+  # h%ttps://github.com/prometheus-community/helm-charts/issues/1969#issuecomment-1119567241
   grafana.ini:
     smtp:
       enabled: true