diff --git a/libcudacxx/include/cuda/std/detail/libcxx/include/version b/libcudacxx/include/cuda/std/detail/libcxx/include/version
index 528a81b89e8..9687cae2064 100644
--- a/libcudacxx/include/cuda/std/detail/libcxx/include/version
+++ b/libcudacxx/include/cuda/std/detail/libcxx/include/version
@@ -221,6 +221,7 @@ __cpp_lib_void_t                                        201411L <type_traits>
 
 // We define certain feature test macros depending on availability
 # define __cccl_lib_local_barrier_arrive_tx
+# define __cccl_lib_experimental_ctk12_cp_async_exposure
 
 // We unconditionally define `__cccl_lib_meow` so that there is only one place to set the value
 #if _LIBCUDACXX_STD_VER > 11