diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2bc39e..dbc1a93 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.15.2)
 project(BookStore)
-set(CMAKE_CXX_FLAGS "-g -fsanitize=address")
+set(CMAKE_CXX_FLAGS "-Ofast")
 file(GLOB_RECURSE main_src backend/src/*.cpp)
 include_directories(${PROJECT_SOURCE_DIR}/backend/include)
 include_directories(${PROJECT_SOURCE_DIR}/external)