diff --git a/04.BuilderPattern/2.Code/CMakeLists.txt b/04.BuilderPattern/2.Code/CMakeLists.txt
new file mode 100644
index 0000000..0b71536
--- /dev/null
+++ b/04.BuilderPattern/2.Code/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(BuilderPattern)
+set(SRC_LIST main.cpp)
+
+get_filename_component(FOLDER_NAME ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
+get_filename_component(FOLDER_NAME ${FOLDER_NAME} NAME)
+set(EXECUTABLE_OUTPUT_PATH ${OUTPUT_DIR}/${FOLDER_NAME})
+add_executable(app4 ${SRC_LIST})
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a39505..3cb317a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,4 +7,5 @@ message(STATUS "output dir : ${OUTPUT_DIR}")
 add_subdirectory(01.SimpleFactory/2.Code/)
 add_subdirectory(02.FactoryMethod/2.Code/)
 add_subdirectory(03.AbstractFactory/2.Code/)
+add_subdirectory(04.BuilderPattern/2.Code/)
 add_subdirectory(17.IteratorPattern/2.Code/)