diff --git a/CMakeLists.txt b/CMakeLists.txt
index fb34d89..a0848e6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,9 +8,14 @@ if ("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
 endif()
 set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "bin" "doc" "CMakeFiles" "lib" "include")
 
+
+set(CMAKE_C_COMPILER "clang")
+set(CMAKE_CXX_COMPILER "clang++")
+
 project(Demo)
 set(CMAKE_CXX_STANDARD 14)
 
+
 # enable clang_tidy
 set(CMAKE_CXX_CLANG_TIDY clang-tidy;-header-filter=.;)