diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8bcbef..87c9bda 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ project(libnecrolog LANGUAGES CXX)
 set(WITH_EXAMPLES OFF CACHE BOOL "Enable build of examples")
 set(BUILD_SHARED_LIBS ON CACHE BOOL "Build shared libraries instead of static")
 
+set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)