diff --git a/utils/gn/secondary/llvm/lib/BinaryFormat/BUILD.gn b/utils/gn/secondary/llvm/lib/BinaryFormat/BUILD.gn
index 7d900cc86f8..dfabe15ea4b 100644
--- a/utils/gn/secondary/llvm/lib/BinaryFormat/BUILD.gn
+++ b/utils/gn/secondary/llvm/lib/BinaryFormat/BUILD.gn
@@ -7,6 +7,8 @@ static_library("BinaryFormat") {
     "AMDGPUMetadataVerifier.cpp",
     "Dwarf.cpp",
     "Magic.cpp",
+    "MsgPackDocument.cpp",
+    "MsgPackDocumentYAML.cpp",
     "MsgPackReader.cpp",
     "MsgPackWriter.cpp",
     "Wasm.cpp",
diff --git a/utils/gn/secondary/llvm/unittests/BinaryFormat/BUILD.gn b/utils/gn/secondary/llvm/unittests/BinaryFormat/BUILD.gn
index 504e5a12deb..b6b9dc7f153 100644
--- a/utils/gn/secondary/llvm/unittests/BinaryFormat/BUILD.gn
+++ b/utils/gn/secondary/llvm/unittests/BinaryFormat/BUILD.gn
@@ -7,6 +7,7 @@ unittest("BinaryFormatTests") {
   sources = [
     "DwarfTest.cpp",
     "MachOTest.cpp",
+    "MsgPackDocumentTest.cpp",
     "MsgPackReaderTest.cpp",
     "MsgPackWriterTest.cpp",
     "TestFileMagic.cpp",