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 57cc395107567..65fb1659f70fb 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
@@ -23,6 +23,7 @@ unittest("ClangdTests") {
     "//clang/lib/Lex",
     "//clang/lib/Sema",
     "//clang/lib/Serialization",
+    "//clang/lib/Testing",
     "//clang/lib/Tooling",
     "//clang/lib/Tooling/Core",
     "//clang/lib/Tooling/Inclusions",