diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5794ca..3f05ebc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.5)
 project(gba_display_bitmap CXX C ASM)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+# Enable link time optimization for this project and all libraries
+add_compile_options("-flto")
+
 add_executable(${PROJECT_NAME})
 
 # Normal source and header files