diff --git a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
index 8409d9d40848..74df983dd363 100644
--- a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
@@ -221,6 +221,7 @@ copy("Headers") {
     "varargs.h",
     "vecintrin.h",
     "velintrin.h",
+    "velintrin_approx.h",
     "velintrin_gen.h",
     "vpclmulqdqintrin.h",
     "waitpkgintrin.h",