diff --git a/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
index ec2db1a9e2ded..db789dcd880bf 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/clangd/BUILD.gn
@@ -59,6 +59,7 @@ static_library("clangd") {
     "ClangdServer.cpp",
     "CodeComplete.cpp",
     "CodeCompletionStrings.cpp",
+    "CollectMacros.cpp",
     "CompileCommands.cpp",
     "Compiler.cpp",
     "Context.cpp",