diff --git a/openvswitch/values.yaml b/openvswitch/values.yaml
index 4b5a00dd2..44eb47e36 100644
--- a/openvswitch/values.yaml
+++ b/openvswitch/values.yaml
@@ -60,11 +60,13 @@ pod:
           capabilities:
             add:
               - SYS_MODULE
+          readOnlyRootFilesystem: true
         vswitchd:
           runAsUser: 0
           capabilities:
             add:
               - NET_ADMIN
+          readOnlyRootFilesystem: true
   lifecycle:
     upgrades:
       daemonsets: