diff --git a/backend/crates/gateway-api/src/admin/system.rs b/backend/crates/gateway-api/src/admin/system.rs
index 8016c2fdb..dda8bb698 100644
--- a/backend/crates/gateway-api/src/admin/system.rs
+++ b/backend/crates/gateway-api/src/admin/system.rs
@@ -201,6 +201,7 @@ struct RestartAcceptedView {
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
 struct SystemUpdateEventView {
+    id: String,
     operation_id: Option<String>,
     level: &'static str,
     step: Option<String>,
@@ -404,6 +405,7 @@ where
 impl From<SystemUpdateEvent> for SystemUpdateEventView {
     fn from(event: SystemUpdateEvent) -> Self {
         Self {
+            id: event.id,
             operation_id: event.operation_id,
             level: update_event_level_name(event.level),
             step: event.step,
@@ -418,6 +420,7 @@ impl From<SystemUpdateEvent> for SystemUpdateEventView {
 impl SystemUpdateEventView {
     fn into_json(self) -> serde_json::Value {
         serde_json::json!({
+            "id": self.id,
             "operationId": self.operation_id,
             "level": self.level,
             "step": self.step,
diff --git a/backend/crates/gateway-api/tests/admin/system.rs b/backend/crates/gateway-api/tests/admin/system.rs
index 3ff254d48..37803ab64 100644
--- a/backend/crates/gateway-api/tests/admin/system.rs
+++ b/backend/crates/gateway-api/tests/admin/system.rs
@@ -38,7 +38,7 @@ fn update_request_should_preserve_target_version_for_domain_validation() {
 }
 
 #[tokio::test]
-async fn update_event_stream_should_preserve_download_progress_percent() {
+async fn update_event_stream_should_preserve_event_id_and_download_progress_percent() {
     let fixture = AdminTestFixture::with_system(Arc::new(ProgressSystem)).await;
     fixture.auth.insert_session("valid-session");
     let response = app(fixture.state())
@@ -57,6 +57,10 @@ async fn update_event_stream_should_preserve_download_progress_percent() {
         .expect("update event body");
     let body = String::from_utf8(body.to_vec()).expect("UTF-8 event stream");
 
+    assert!(
+        body.contains(r#""id":"update-progress-1""#),
+        "unexpected update event stream: {body}"
+    );
     assert!(
         body.contains(r#""progressPercent":40"#),
         "unexpected update event stream: {body}"