diff --git a/cmake/mainSetup.cmake b/cmake/mainSetup.cmake
index 076e54f4..b7935940 100644
--- a/cmake/mainSetup.cmake
+++ b/cmake/mainSetup.cmake
@@ -11,6 +11,8 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
 
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
+set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
 
 if (UNIX)
     if (APPLE)