diff --git a/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn b/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
index d76cc0b995bc..a186ab941310 100644
--- a/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/tools/llvm-objcopy/BUILD.gn
@@ -72,5 +72,8 @@ executable("llvm-objcopy") {
     "MachO/MachOWriter.cpp",
     "MachO/Object.cpp",
     "llvm-objcopy.cpp",
+    "wasm/Reader.cpp",
+    "wasm/WasmObjcopy.cpp",
+    "wasm/Writer.cpp",
   ]
 }