diff --git a/opnsense-config-xml/src/data/opnsense.rs b/opnsense-config-xml/src/data/opnsense.rs
index c39f1c5..2efbaf3 100644
--- a/opnsense-config-xml/src/data/opnsense.rs
+++ b/opnsense-config-xml/src/data/opnsense.rs
@@ -189,7 +189,7 @@ pub struct System {
     pub timeservers: String,
     pub webgui: WebGui,
     pub usevirtualterminal: u8,
-    pub disablenatreflection: String,
+    pub disablenatreflection: Option<String>,
     pub disableconsolemenu: u8,
     pub disablevlanhwfilter: u8,
     pub disablechecksumoffloading: u8,
@@ -256,7 +256,7 @@ pub struct Firmware {
     #[yaserde(rename = "type")]
     pub firmware_type: MaybeString,
     pub subscription: MaybeString,
-    pub reboot: MaybeString,
+    pub reboot: Option<MaybeString>,
 }
 
 #[derive(Default, PartialEq, Debug, YaSerialize, YaDeserialize)]
@@ -1449,6 +1449,9 @@ pub struct Vip {
     pub advbase: Option<MaybeString>,
     pub advskew: Option<MaybeString>,
     pub descr: Option<MaybeString>,
+    pub peer: Option<MaybeString>,
+    pub peer6: Option<MaybeString>,
+    pub nosync: Option<MaybeString>,
 }
 
 #[derive(Default, PartialEq, Debug, YaSerialize, YaDeserialize)]