diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ebfd037c5c..86785737b11 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1555,6 +1555,9 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
   # add_check_c_compiler_flag(C_WARNINGS C_WARN_UNUSED_MACROS      -Wunused-macros)
   # add_check_cxx_compiler_flag(CXX_WARNINGS CXX_WARN_UNUSED_MACROS          -Wunused-macros)
 
+  add_check_c_compiler_flag(C_WARNINGS C_WARN_ERROR_UNGUARDED_AVAILABILITY_NEW -Werror=unguarded-availability-new)
+  add_check_c_compiler_flag(CXX_WARNINGS CXX_WARN_ERROR_UNGUARDED_AVAILABILITY_NEW -Werror=unguarded-availability-new)
+
   # ---------------------
   # Suppress Strict Flags