diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84c04b6..a68f4da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ if(NOT CMAKE_BUILD_TYPE)
 set(CMAKE_BUILD_TYPE Release)
 endif()
 
-set(CMAKE_CXX_FLAGS "-Wall -Wextra")
+set(CMAKE_CXX_FLAGS "-Wall -Wextra -march=native")
 set(CMAKE_CXX_FLAGS_DEBUG "-g")
 set(CMAKE_CXX_FLAGS_RELEASE "-O3")