diff --git a/Modules/Compiler/SunPro-C.cmake b/Modules/Compiler/SunPro-C.cmake
index 7b4478ce45..35dbdcd5a8 100644
--- a/Modules/Compiler/SunPro-C.cmake
+++ b/Modules/Compiler/SunPro-C.cmake
@@ -65,5 +65,9 @@ endif()
 
 __compiler_check_default_language_standard(C 5.11 90 5.14 11)
 
+if (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 5.15)
+  set(CMAKE_C_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
+endif()
+
 set(CMAKE_C_CREATE_PREPROCESSED_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
 set(CMAKE_C_CREATE_ASSEMBLY_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
diff --git a/Modules/Compiler/SunPro-CXX.cmake b/Modules/Compiler/SunPro-CXX.cmake
index 1db6aa7fcd..33ce9fc11d 100644
--- a/Modules/Compiler/SunPro-CXX.cmake
+++ b/Modules/Compiler/SunPro-CXX.cmake
@@ -69,3 +69,7 @@ else()
 endif()
 
 __compiler_check_default_language_standard(CXX 1 98)
+
+if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 5.15)
+  set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
+endif()