diff --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 7a0c305b8d4e0..f441704266a1e 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -202,6 +202,7 @@ if (current_toolchain == default_toolchain) {
       "__algorithm/ranges_reverse.h",
       "__algorithm/ranges_reverse_copy.h",
       "__algorithm/ranges_rotate_copy.h",
+      "__algorithm/ranges_sample.h",
       "__algorithm/ranges_search.h",
       "__algorithm/ranges_search_n.h",
       "__algorithm/ranges_set_difference.h",
@@ -247,6 +248,7 @@ if (current_toolchain == default_toolchain) {
       "__algorithm/stable_sort.h",
       "__algorithm/swap_ranges.h",
       "__algorithm/transform.h",
+      "__algorithm/uniform_random_bit_generator_adaptor.h",
       "__algorithm/unique.h",
       "__algorithm/unique_copy.h",
       "__algorithm/unwrap_iter.h",