diff --git a/crates/lanspread-tauri-deno-ts/src-tauri/src/lib.rs b/crates/lanspread-tauri-deno-ts/src-tauri/src/lib.rs
index c7e6260..216d6b3 100644
--- a/crates/lanspread-tauri-deno-ts/src-tauri/src/lib.rs
+++ b/crates/lanspread-tauri-deno-ts/src-tauri/src/lib.rs
@@ -681,6 +681,20 @@ async fn update_game_db(games: Vec<Game>, app: AppHandle) {
         for peer_game in games {
             if let Some(existing) = game_db.get_mut_game_by_id(&peer_game.id) {
                 existing.peer_count = peer_game.peer_count;
+
+                if let Some(peer_version) = &peer_game.eti_game_version {
+                    match &existing.eti_game_version {
+                        Some(current_version) if current_version >= peer_version => {}
+                        _ => {
+                            existing.eti_game_version = Some(peer_version.clone());
+                            log::debug!(
+                                "Updated eti_game_version for {} to {} based on peer data",
+                                peer_game.id,
+                                peer_version
+                            );
+                        }
+                    }
+                }
             } else {
                 log::debug!(
                     "Peer advertised unknown game {id}; ignoring because game.db is ground truth",