diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d4a2fa..35b5fcb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,12 @@ project(nutri)
 
 set(CMAKE_CXX_STANDARD 26)
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
-set(CMAKE_CXX_FLAGS -fdiagnostics-color=always)
+add_compile_options(-fdiagnostics-color=always)
+
+if(CMAKE_BUILD_TYPE STREQUAL "Release")
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+  add_compile_options(-O3 -march=native)
+endif()
 
 include(FetchContent)
 
diff --git a/README.md b/README.md
index 492ff95..f9d1a36 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ cd nutri
 ### Build with CMake
 
 ```bash
-cmake -S . -B build
+cmake -B build -DCMAKE_BUILD_TYPE=Release
 cmake --build build
 ```