diff --git a/llvm/utils/gn/secondary/libunwind/src/BUILD.gn b/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
index 28869295c9de..a50b6ad4196a 100644
--- a/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
+++ b/llvm/utils/gn/secondary/libunwind/src/BUILD.gn
@@ -21,6 +21,8 @@ if (current_os == "mac") {
 }
 
 unwind_sources = [
+  "../include/unwind_arm_ehabi.h",
+  "../include/unwind_itanium.h",
   "AddressSpace.hpp",
   "CompactUnwinder.hpp",
   "DwarfInstructions.hpp",