diff --git a/mariadb/values.yaml b/mariadb/values.yaml
index 44e81a420..68715a957 100644
--- a/mariadb/values.yaml
+++ b/mariadb/values.yaml
@@ -86,6 +86,7 @@ pod:
       container:
         server:
           runAsUser: 0
+          readOnlyRootFilesystem: false
     error_pages:
       pod:
         runAsUser: 65534
@@ -100,12 +101,14 @@ pod:
         exporter:
           runAsUser: 99
           allowPrivilegeEscalation: false
+          readOnlyRootFilesystem: true
     prometheus_create_mysql_user:
       pod:
         runAsUser: 0
       container:
         main:
           allowPrivilegeEscalation: false
+          readOnlyRootFilesystem: true
     tests:
       pod:
         runAsUser: 999