diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14d66cf..b2740f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,9 @@ configure_file("resources/${PROJECT_NAME}.rc" "processed/${PROJECT_NAME}.rc" @ON
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+if (NOT DEFINED CMAKE_UNITY_BUILD)
+    set(CMAKE_UNITY_BUILD TRUE)
+endif()
 include(CheckPIESupported)
 check_pie_supported(LANGUAGES CXX)
 set(USER_DEFINED_PIE (DEFINED CMAKE_POSITION_INDEPENDENT_CODE))