diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index a631b8058688e..d5cbca66f1b6e 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -713,6 +713,7 @@ if (current_toolchain == default_toolchain) {
       "__type_traits/is_destructible.h",
       "__type_traits/is_empty.h",
       "__type_traits/is_enum.h",
+      "__type_traits/is_equality_comparable.h",
       "__type_traits/is_final.h",
       "__type_traits/is_floating_point.h",
       "__type_traits/is_function.h",
@@ -777,6 +778,7 @@ if (current_toolchain == default_toolchain) {
       "__type_traits/nat.h",
       "__type_traits/negation.h",
       "__type_traits/noexcept_move_assign_container.h",
+      "__type_traits/predicate_traits.h",
       "__type_traits/promote.h",
       "__type_traits/rank.h",
       "__type_traits/remove_all_extents.h",