diff --git a/llvm/utils/gn/secondary/clang-tools-extra/clangd/unittests/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/clangd/unittests/BUILD.gn
index 3936f2b9dec6..34ba224fa7e0 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/clangd/unittests/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/clangd/unittests/BUILD.gn
@@ -27,6 +27,7 @@ unittest("ClangdTests") {
     "//clang/lib/Tooling/Core",
     "//clang/lib/Tooling/Inclusions",
     "//clang/lib/Tooling/Syntax",
+    "//llvm/include/llvm/Config:llvm-config",
     "//llvm/lib/Support",
     "//llvm/lib/Testing/Support",
   ]