diff --git a/src/tracking_events.rs b/src/tracking_events.rs
index cb70f07..de8e51a 100644
--- a/src/tracking_events.rs
+++ b/src/tracking_events.rs
@@ -5,6 +5,6 @@ use crate::NormalizedBoxCoords;
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct TrackingUpdate {
-    target_id: Option<u16>,
-    boxes: Vec<NormalizedBoxCoords>
+    pub target_id: Option<u16>,
+    pub boxes: Vec<NormalizedBoxCoords>
 }