diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 5a0cd50756422..7026d4979d00c 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -77,6 +77,7 @@ if (current_toolchain == default_toolchain) {
       "__memory/allocator_traits.h",
       "__memory/auto_ptr.h",
       "__memory/base.h",
+      "__memory/pointer_safety.h",
       "__memory/pointer_traits.h",
       "__memory/temporary_buffer.h",
       "__memory/uninitialized_algorithms.h",