diff --git a/cmake/modules/AppTarget.cmake b/cmake/modules/AppTarget.cmake
index 7070183..ac2fd1f 100644
--- a/cmake/modules/AppTarget.cmake
+++ b/cmake/modules/AppTarget.cmake
@@ -62,6 +62,8 @@ target_compile_options(
 set_target_properties(
     ${META_TARGET_NAME}
     PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}"
+               C_VISIBILITY_PRESET hidden
+               CXX_VISIBILITY_PRESET hidden
                LINK_SEARCH_START_STATIC ${STATIC_LINKAGE}
                LINK_SEARCH_END_STATIC ${STATIC_LINKAGE}
                AUTOGEN_TARGET_DEPENDS "${AUTOGEN_DEPS}")
diff --git a/cmake/modules/LibraryTarget.cmake b/cmake/modules/LibraryTarget.cmake
index a0bd8c8..9dae12b 100644
--- a/cmake/modules/LibraryTarget.cmake
+++ b/cmake/modules/LibraryTarget.cmake
@@ -149,6 +149,8 @@ else ()
         PROPERTIES VERSION "${META_VERSION_MAJOR}.${META_VERSION_MINOR}.${META_VERSION_PATCH}"
                    SOVERSION "${META_SOVERSION}"
                    CXX_STANDARD "${META_CXX_STANDARD}"
+                   C_VISIBILITY_PRESET hidden
+                   CXX_VISIBILITY_PRESET hidden
                    LINK_SEARCH_START_STATIC ${STATIC_LINKAGE}
                    LINK_SEARCH_END_STATIC ${STATIC_LINKAGE}
                    AUTOGEN_TARGET_DEPENDS "${AUTOGEN_DEPS}")
diff --git a/cmake/modules/TestTarget.cmake b/cmake/modules/TestTarget.cmake
index 935f7d5..56c8e81 100644
--- a/cmake/modules/TestTarget.cmake
+++ b/cmake/modules/TestTarget.cmake
@@ -132,6 +132,8 @@ if (META_PROJECT_IS_APPLICATION)
         set_target_properties(
             ${META_TARGET_NAME}_testlib
             PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}"
+                       C_VISIBILITY_PRESET hidden
+                       CXX_VISIBILITY_PRESET hidden
                        LINK_SEARCH_START_STATIC ${STATIC_LINKAGE}
                        LINK_SEARCH_END_STATIC ${STATIC_LINKAGE}
                        AUTOGEN_TARGET_DEPENDS "${AUTOGEN_DEPS}")
@@ -168,8 +170,11 @@ target_compile_options(
     PRIVATE "${META_PRIVATE_COMPILE_OPTIONS}")
 set_target_properties(
     ${META_TARGET_NAME}_tests
-    PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}" LINK_SEARCH_START_STATIC ${STATIC_LINKAGE} LINK_SEARCH_END_STATIC
-                                                                                              ${STATIC_LINKAGE})
+    PROPERTIES CXX_STANDARD "${META_CXX_STANDARD}"
+               C_VISIBILITY_PRESET hidden
+               CXX_VISIBILITY_PRESET hidden
+               LINK_SEARCH_START_STATIC ${STATIC_LINKAGE}
+               LINK_SEARCH_END_STATIC ${STATIC_LINKAGE})
 
 # make the test recognized by ctest
 unset(RUN_TESTS_APPLICATION_ARG)