diff --git a/src/types/client_data.d.ts b/src/types/client_data.d.ts
index dd11afa..eaaee12 100644
--- a/src/types/client_data.d.ts
+++ b/src/types/client_data.d.ts
@@ -17,6 +17,7 @@ interface NewPlayer {
 
 interface GameJoined extends response {
 	// properties depend on `success` being `true`
+	rejoin?: boolean;
 	uuid?: string;
 }