diff --git a/roles/config-hot-plug/vars/main.yaml b/roles/config-hot-plug/vars/main.yaml
index a391c91..82e527d 100644
--- a/roles/config-hot-plug/vars/main.yaml
+++ b/roles/config-hot-plug/vars/main.yaml
@@ -2,4 +2,4 @@
 path_hot_plug_udev: /usr/lib/udev/rules.d/80-hotplug-cpu-mem.rules
 line_hot_plug_udev: 'SUBSYSTEM=="cpu", ACTION=="add", TEST=="online", ATTR{online}=="0", ATTR{online}="1"'
 path_hot_plug_grub: /etc/default/grub.d/hotplug.cfg
-line_hot_plug_grub: 'GRUB_CMDLINE_LINUX_DEFAULT="quiet memhp_default_state=online"'
+line_hot_plug_grub: 'GRUB_CMDLINE_LINUX_DEFAULT="quiet memhp_default_state=online security=none"'