diff --git a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
index 8377847bbdac5d..615c11b6b8d62e 100644
--- a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
@@ -96,6 +96,7 @@ static_library("Driver") {
     "ToolChains/SPIRV.cpp",
     "ToolChains/Solaris.cpp",
     "ToolChains/TCE.cpp",
+    "ToolChains/UEFI.cpp",
     "ToolChains/VEToolchain.cpp",
     "ToolChains/WebAssembly.cpp",
     "ToolChains/XCore.cpp",