diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32d4a5a..71fe104 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.14...3.24 FATAL_ERROR)
 
+#pingpong
+
 # cmake setup begin
 project(tomato)