diff --git a/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn b/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn
index 62dcb89..23df902 100644
--- a/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn
+++ b/utils/gn/secondary/llvm/lib/DWARFLinkerParallel/BUILD.gn
@@ -10,7 +10,10 @@
     "//llvm/lib/Support",
   ]
   sources = [
+    "DWARFEmitterImpl.cpp",
     "DWARFLinker.cpp",
+    "DWARFLinkerImpl.cpp",
+    "OutputSections.cpp",
     "StringPool.cpp",
   ]
 }