diff --git a/server.ts b/server.ts
index d63d704..09f47f0 100644
--- a/server.ts
+++ b/server.ts
@@ -137,6 +137,10 @@ const server = Bun.serve<WSData>({
       }
 
       switch (msg.type) {
+        case "ping": {
+          ws.send(JSON.stringify({ type: "pong", timestamp: msg.timestamp }));
+          break;
+        }
         case "create_room": {
           const username = (msg.username || "").trim();
           if (!username) {