diff --git a/protos/view_capture.proto b/protos/view_capture.proto
index 98574dd..349ff36 100644
--- a/protos/view_capture.proto
+++ b/protos/view_capture.proto
@@ -51,4 +51,6 @@
   optional int32 visibility = 16;
 
   repeated ViewNode children = 17;
+
+  optional float elevation = 18;
 }