diff --git a/everything-app/redis4masto.yaml b/everything-app/redis4masto.yaml
index fc16c73..62a3ece 100644
--- a/everything-app/redis4masto.yaml
+++ b/everything-app/redis4masto.yaml
@@ -16,3 +16,5 @@ spec:
       valuesObject:
         persistentVolumeClaim:
           storageClassName: longhorn-fast
+        securityContext:
+          fsGroup: 999