diff --git a/cpp/2206/CMakeLists.txt b/cpp/2206/CMakeLists.txt
new file mode 100644
index 0000000..83f04b9
--- /dev/null
+++ b/cpp/2206/CMakeLists.txt
@@ -0,0 +1,6 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.23)
+PROJECT(2206)
+
+SET(CMAKE_CXX_STANDARD 23)
+
+ADD_EXECUTABLE(2206 220601.cpp)
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index da2fd05..1dd5d79 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -1,4 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 3.21)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.23)
 PROJECT(leetcode-cpp)
 
 SET(CMAKE_CXX_STANDARD 23)
@@ -23,5 +23,6 @@ ADD_EXECUTABLE(leetcode-cpp main.cpp)
 # ADD_SUBDIRECTORY(2202)
 # ADD_SUBDIRECTORY(2203)
 # ADD_SUBDIRECTORY(2204)
-ADD_SUBDIRECTORY(2205)
+#ADD_SUBDIRECTORY(2205)
+ADD_SUBDIRECTORY(2206)
 ADD_SUBDIRECTORY(more)