diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2624479..4496860 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -727,6 +727,9 @@ function(add_library_unity NAME MODE)
     enable_unity_build(${NAME} SRCS)
   endif()
   add_library(${NAME} OBJECT ${SRCS})
+  if(MSVC)
+    target_compile_options(${NAME} PRIVATE /bigobj)
+  endif()
 endfunction()
 
 function(disable_target_warnings NAME)