diff --git a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
index a8a4f656dc00b..f39ba39a273c6 100644
--- a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
@@ -93,6 +93,7 @@ copy("Headers") {
     "adxintrin.h",
     "altivec.h",
     "ammintrin.h",
+    "amxcomplexintrin.h",
     "amxfp16intrin.h",
     "amxintrin.h",
     "arm64intr.h",