diff --git a/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
index 5fa8a91b45b21..a862ac43e0fa1 100644
--- a/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/unittests/BUILD.bazel
@@ -148,6 +148,7 @@ cc_test(
         "//clang:testing",
         "//clang:tooling",
         "//llvm:Support",
+        "//llvm:TestingSupport",
         "//third-party/unittest:gmock",
         "//third-party/unittest:gtest",
         "//third-party/unittest:gtest_main",